A 9-year-old girl presents to the ED with high fever for 4 days, complaining of dizziness and nausea. Physical exam shows vital signs within normal limits. Rumple-Leede test is positive. Laboratory: Hb 13 g/dL, Hct 47%, leukocytes 6,500/mm3, platelets 89,000/mm3. What is the diagnosis in this case?

A 25-year-old man presents to the ED with high fever for 3 days accompanied by nausea and generalized joint pain. Physical exam reveals petechiae on both hands. Vital signs: BP 110/70 mmHg, HR 100/min, RR 20/min. Laboratory: Hb 13 g/dL, leukocytes 5,000/mm3, platelets 98,000/mm3, NS1 positive. Chest X-ray suggests bilateral pleural effusion. What is the most appropriate diagnosis for this patient?

A 12-year-old boy named Wahyu presents to the ED with high fever for 4 days. Physical exam reveals petechiae on the arms and trunk. Vital signs: HR 120/min, BP 80/50 mmHg, RR 20/min, temperature 38.6°C. Laboratory: Hb 12 g/dL, hematocrit 48%, leukocytes 2,300/mm3, platelets 23,000/mm3. What is the diagnosis for this patient?

A 25-year-old man is brought to the ED with decreased consciousness for 1 hour. Family reports high fever for 4 days with arthralgia and prior vomiting. Vital signs: BP unmeasurable, pulse not palpable, RR 15/min, temperature 38.0°C. Physical exam: enlarged liver, cold and clammy extremities. Laboratory: Hb 15.1 g/dL, hematocrit 52%, leukocytes 2,500/mm3, platelets 35,000/mm3, Dengue IgM positive. What is the diagnosis?

A 21-year-old woman is brought to the ED unconscious. Five days earlier she had high fever with arthralgia, nausea, and two days ago had epistaxis. Physical exam: palpated BP 90 mmHg, pulse 120/min fast and weak, RR 28/min, temperature 37.1°C, cold extremities, pale skin. What is the most appropriate diagnosis for this case?

A 25-year-old man presents to a clinic with high fever for 3 days, persistent and rising. Complaints include arthralgia and retro-orbital pain. No epistaxis. Physical exam: BP 100/70 mmHg, HR 90/min, RR 20/min, temperature 39°C; liver palpable 1 cm below the costal margin. Laboratory: Hb 11 g/dL, leukocytes 4,000/mm3, platelets 60,000/mm3, Hct 42%. What is the next recommended diagnostic test?

A 25-year-old man presents to a clinic with high fever for 5 days, persistent and rising. Complaints include arthralgia and retro-orbital pain. No epistaxis. Physical exam: BP 100/70 mmHg, HR 90/min, RR 22/min, temperature 39°C; liver palpable 1 cm below the costal margin. Laboratory: Hb 11 g/dL, leukocytes 4,000/mm3, platelets 60,000/mm3, Hct 42%. What is the next recommended diagnostic test?

Mr. Jonathan, 28 years old, presents with fatigue. Two days prior he had high fever, vomiting, and headache, and now epistaxis. Vital signs: BP 100/70 mmHg, HR 90/min, RR 22/min, temperature 39°C. Routine labs: Hb 11 g/dL, hematocrit 48%, platelets 89,000/mm3. What serologic dengue result is most likely?

A 25-year-old man presents to the ED with high fever for 3 days accompanied by nausea and generalized joint pain. Vital signs: BP 110/70 mmHg, HR 100/min, RR 20/min. Laboratory: Hb 13 g/dL, leukocytes 5,000/mm3, platelets 110,000/mm3, Hct 40%. NS1 is positive. What is the most appropriate management?

Lisa, 12 years old, is brought to the ED with epistaxis for 2 hours. She has had high fever for 2 days. Vital signs: conscious, BP 100/70 mmHg, pulse 110/min, RR 18/min, temperature 38°C; extremities warm. Physical exam shows bleeding from the nose and gums and petechiae. Laboratory: Hb 9 g/dL, leukocytes 4,800/mm3, platelets 66,000/mm3, anti-dengue IgM negative, IgG positive. What is the appropriate management?

A 35-year-old woman presents to the ED with complaints of high fever for 4 days accompanied by epistaxis, nausea, and vomiting. Vital signs: BP 100/60 mmHg, pulse 84/min, RR 18/min, temperature 37.5°C; extremities warm. Body weight is reported as 50 kg. Laboratory: Hb 14.9 g/dL, leukocytes 3,500/mm3, platelets 55,000/mm3, Hct 51%. What is the most appropriate management for this patient?

Ms. Merry, 21 years old, presents to the ED with high fever. She had high fever starting 4 days ago, then the temperature dropped below normal; three days later the fever rose again and returned to normal. Complaints include headache, nausea, and joint pain. What fever pattern is being experienced?

A 25-year-old man presents to a primary care clinic with fever for 5 days that is persistent and continuous, accompanied for the past 3 days by nausea and vomiting 2–3 times/day. He reports headache, myalgia, and fatigue, without cough or rhinorrhea. Bowel and urinary habits are normal. Physical exam: BP 80/50 mmHg, pulse 108/min, temperature 37.6°C, epigastric tenderness, petechiae on both extremities. Laboratory: Hct 55%, platelets 45,000/mm3. What is the most appropriate therapy?

Mr. Dani, 35 years old, presents to a clinic with fever for 4 days accompanied by chills. He has taken antipyretics; fever decreases but recurs. Vital signs: BP 120/80 mmHg, pulse 100/min, RR 21/min, temperature 38°C. A peripheral smear shows a "starry sky" appearance and crescent-shaped forms. What is the diagnosis?

Ms. Sakura, 26 years old, presents with fever that occurs only every fourth day and is accompanied by chills and decreased appetite. Vital signs: BP 110/80 mmHg, pulse 110/min, RR 20/min, temperature 38°C. Peripheral smear shows erythrocytes of normal size with rosette-like forms and irregular edges. What is the most likely diagnosis?

Mr. Fikri, 25 years old, presents to a rural clinic with intermittent fever and chills for 5 days. He also experiences nausea, vomiting, and myalgia. Vital signs: BP 110/80 mmHg, pulse 88/min, RR 20/min, temperature 39.2°C. Peripheral smear shows red blood cells of normal size with coarse stippling in the cytoplasm and basket-form trophozoites. What is the most likely causative species?

A 46-year-old man presents with intermittent high fever for 8 days accompanied by profuse sweating. Vital signs: blood pressure 110/80 mmHg, heart rate 104/min, respiratory rate 20/min, temperature 38.6 °C. Physical exam: pale conjunctivae, icteric sclerae, no neck stiffness, liver palpable 4 cm below costal margin, spleen Schüffner grade 2. Peripheral blood smear shows parasites with a ribbon-like band form inside erythrocytes. What is the causative species?

A 30-year-old woman has 3 days of chills and fever. She traveled to Papua several weeks ago. Vital signs: blood pressure 110/70 mmHg, heart rate 88/min, respiratory rate 20/min, temperature 38 °C. Physical exam: anemic conjunctivae, hepatosplenomegaly. Peripheral smear shows ring forms with accolé forms (appliqué forms) on erythrocyte membranes. What is the most likely diagnosis?

A 32-year-old man named Galih is brought to the emergency department with coma after 2 weeks of fever, chills, and night sweats while working in Papua. Vital signs: blood pressure 100/70 mmHg, pulse 60/min and weak/irregular, respiratory rate 20/min, temperature 38.0 °C. A peripheral blood smear image is provided. What is the most likely diagnosis?

A 32-year-old man presents with 2 weeks of fever, chills, and sweating after returning from East Nusa Tenggara (NTT). Vital signs: blood pressure 110/80 mmHg, temperature 38.3 °C, anemic conjunctivae. Laboratory: Hb 10 g/dL, platelets 235,000/µL, leukocytes 7,000/µL. Which supporting examination should be performed to establish malaria diagnosis in this patient?

A 21-year-old man is brought to the ED with agitation and decreased consciousness after a week of fever, chills, and cold sweats. Vital signs: GCS E2V3M4; blood pressure 100/80 mmHg; pulse 88/min; respiratory rate 24/min; temperature 38.3 °C. Peripheral smear shows a banana-shaped parasite within erythrocytes. In which developmental stage is this finding observed?

A 40-year-old man is brought to the ED with decreased consciousness for 1 hour and high fever. Two weeks earlier he traveled to Sumba, NTT. Findings: GCS E1V1M1; blood pressure 110/80 mmHg; heart rate 102/min; respiratory rate 20/min; temperature 39.4 °C; icteric sclerae. Peripheral smear shows erythrocytes containing more than one parasite with a headphone-like appearance. What is the most accurate diagnosis?

A 32-year-old man presents with 2 weeks of fever, chills, and sweating after returning from NTT. Vital signs: blood pressure 110/80 mmHg, temperature 38.3 °C, anemic conjunctivae. Laboratory: Hb 10 g/dL, platelets 235,000/µL, leukocytes 7,000/µL. Peripheral smear of the blood shows comet-shaped infected erythrocytes with James dots. What is the most appropriate diagnosis?

A 4-year-old boy living in Papua has had fluctuating fever for 2 weeks with diffuse body aches, nausea, and poor appetite. He appears ill and anemic. Laboratory: Hb 9.1 g/dL; Widal negative. Thick and thin blood smear image is provided. What is the most likely diagnosis?

A 22-year-old pregnant woman (G1P0A0) at 10 weeks presents with 1 week of fever with chills and sweating after visiting her husband working in NTT 1 month ago. Vital signs: temperature 38.1 °C, blood pressure 110/70 mmHg, pulse 88/min, respiratory rate 20/min. Laboratory: Hb 10 g/dL, leukocytes 6,000/µL, platelets 180,000/µL. Peripheral smear shows more than one ring form in a single erythrocyte and a sausage-shaped parasite. What therapy should be given?

A 30-year-old woman presents with 3 days of chills and fever after travel to Papua. Vital signs: blood pressure 110/70 mmHg, heart rate 88/min, respiratory rate 20/min, temperature 38 °C; anemic conjunctivae and hepatosplenomegaly. Peripheral smear shows ring forms with accolé (appliqué) forms. What is the appropriate first-line therapy?

A 32-year-old man presents to a health center with 2 weeks of fever with chills and sweating after traveling to Raja Ampat 1 month earlier. Vital signs: temperature 38.5 °C, blood pressure 110/70 mmHg, pulse 88/min, respiratory rate 20/min. Laboratory: Hb 9.8 g/dL, leukocytes 6,000/µL, platelets 180,000/µL. Peripheral smear shows amoeboid ring forms with enlarged erythrocytes. What is the appropriate first-line therapy?

A 45-year-old man presents to the ED with dark-colored urine for 3 days and a preceding week of fever with chills and sweating. Physical exam: anemic conjunctivae, icteric sclerae, hepatosplenomegaly. Vital signs: temperature 38 °C; blood pressure 110/70 mmHg; heart rate 120/min; respiratory rate 18/min. A peripheral blood smear image is provided. What is the most appropriate management right now?

The same 32-year-old man with amoeboid ring forms in enlarged erythrocytes on peripheral smear (suggestive of Plasmodium vivax) requires second-line therapy. Vital signs and laboratory findings remain: temperature 38.5 °C; blood pressure 110/70 mmHg; pulse 88/min; respiratory rate 20/min; Hb 9.8 g/dL; leukocytes 6,000/µL; platelets 180,000/µL. Which second-line regimen should be given?

A 46-year-old man has had high fever for 10 days with profuse sweating after returning from Nias Island. Physical exam: pale conjunctivae, icteric sclerae; no neck stiffness; liver non-palpable; spleen Schüffner grade 2. Peripheral smear image is provided. What is the causative species?

What is the appropriate management for the patient?

A 7-year-old child will move with the family to Papua and accompany them. What is the correct malaria prophylaxis for this child?

A 45-year-old woman is preparing to work in Flores and consults on preventing malaria. The area she will visit remains chloroquine-sensitive. Which prophylaxis is appropriate to give before departure?

A 30-year-old man has had fever for 1 week with yellow eyes and muscle pain. He volunteered in a village affected by flooding for 2 weeks. He reports dark urine and bilateral gastrocnemius tenderness. Labs: Hb 11.2 g/dL, leukocytes 17,000 (neutrophils 90%), urea 87 mg/dL, creatinine 3.25 mg/dL. Urinalysis: erythrocytes 3+, leukocytes 2+. What is the diagnosis?

A 40-year-old farmer has fever for 5 days and generalized body aches. He works in rice fields and rarely uses footwear. Physical exam shows gastrocnemius tenderness without icteric sclera. Labs: urea 22 mg/dL, creatinine 0.9 mg/dL. What is the most appropriate diagnosis?

A 40-year-old man presents with difficulty urinating and yellow eyes since morning, plus calf pain for 2 days after participating in drain-cleaning work. Vitals show icteric sclera and gastrocnemius tenderness. Which supporting examination is recommended?

Mr. Budi, age 40, has a 1-week fever worsening over the past 2 days. Peripheral blood smear reveals spiral-shaped microorganisms. What is the appropriate therapy?

A 28-year-old man has fever, yellow eyes, and muscle pain for 1 week; urine is dark; bilateral gastrocnemius tenderness is present. Labs: Hb 11.4 g/dL, leukocytes 15,800 (neutrophils 90%), urea 87 mg/dL, creatinine 3.25 mg/dL, SGOT 125, SGPT 250. Urinalysis: erythrocytes 3+, leukocytes 2+. What is the most appropriate management at this time?

Mr. Emon, age 35, presents to the ER with a 10-day fever that rises in the evening and defervesces in the morning without reaching normal. Vitals show blood pressure $$100/60$$ mmHg, pulse 56/min, respiratory rate 20/min, temperature 39.7 °C. Exam reveals a coated tongue and tremor. Labs: Hb 12 g/dL, hematocrit 48%, leukocytes 13,300, platelets 170,000. What is the diagnosis?

Ms. Ayu, age 20, has had 7 days of fever with nausea, vomiting, constipation, and fatigue. Physical exam shows a coated tongue and abdominal tenderness. Widal titer is $$1/320$$ . Which gold-standard examination helps confirm the diagnosis?

Ms. Siska, age 24, presents with a fever that remits and exacerbates over a week, now with diarrhea. Physical exam: coated tongue with tremor. When should stool culture ideally be performed?

A 24-year-old woman has had fever for 10 days with epigastric pain and recent constipation. Vitals: $$120/80$$ mmHg, pulse 78/min, respiratory rate 24/min. Widal titer O: $$1/320$$ . What is the most appropriate diet management?

Mr. Ghafur, age 35, presents to the ED with a 7-day fever that has not subsided. Vitals: blood pressure $$120/80$$ mmHg, pulse 80/min, body temperature 38 °C. Tubex test is positive 5. What is the appropriate management?

A 7-year-old girl has had fluctuating fever for 10 days, worse at night, with nausea, vomiting, occasional abdominal pain, and constipation for 3 days. Exam: blood pressure $$100/60$$ mmHg, pulse 80/min, respiratory rate 24/min, temperature 38.8 °C, hepatomegaly. Widal titers $$1/320$$ and $$1/160$$ . Which antibiotic can be given?

Ms. Luna, age 25, 6 weeks pregnant, has had 1 week of fever that rises at night. She also reports constipation and a coated tongue with tremor on protrusion. Laboratory shows Widal O titer $$1/320$$ for Salmonella. What is the most appropriate therapy?

A 25-year-old man has a 2-week remittent fever with right upper quadrant pain, nausea, and vomiting, and severe abdominal pain for the past 2 hours. Labs: Widal anti-O $$1/320$$ , anti-H $$1/160$$ , leukocytes 2,500, SGOT/SGPT $$66/77$$ . He continues heavy labor despite illness. Which complication is likely to occur?

A patient arrives at the ER with weakness, restlessness, and incoherent speech. He has had 10 days of fever, worse at night; recent nausea, decreased appetite, and constipation for 5 days. Exam: epigastric tenderness, coated tongue, blood pressure $$110/70$$ mmHg, heart rate 89/min, respiratory rate 24/min, temperature 38 °C. Labs: Hb 13 g/dL, leukocytes 12,000, platelets 320,000, Widal $$1/640$$ . What condition is the patient likely experiencing?

A patient presents with ulcerative lesions in the vulvovaginal area. Laboratory results show anti‑HIV positive, CD4 count < $$100$$ cells/mm $$^3$$ , and sputum SPS (+/−). What is the most accurate diagnosis for this patient?

Mr. Roy, 26 years old, has been treated for tuberculosis for 2 years without cure. He is an injection drug user. Vital signs: BP $$90/60$$ mmHg, HR $$76$$ /min, RR $$16$$ /min, Temp $$38.2^{\circ}$$ C. Physical exam finds oral thrush (+). CD4 count is $$186$$ cells/mm $$^3$$ . What is the most likely diagnosis?

A 22‑year‑old woman comes to the health center with fever for 1 month accompanied by cough. She also reports diarrhea that has come and gone for 3 weeks and has not improved with prior treatment. On exam she appears thin, vital signs are within normal limits, and oral candidiasis is present (+). Which supporting test is recommended for this patient?

A 26‑year‑old woman presents with persistent oral ulcers for about 2 months. She has visited the health center without improvement and notes recent weight loss. She works as a sex worker. Diarrhea (−), chronic cough (−). Vitals: BP $$120/70$$ mmHg, RR $$20$$ /min, Temp $$36.8^{\circ}$$ C, Pulse $$94$$ /min. Laboratory testing shows anti‑HIV reactive by three methods. What further examination should be performed?

A 42‑year‑old man presents to the clinic with white patches in his mouth for the past 2 months and reports dysuria and foul‑smelling urine. He has a history of injection drug use. Physical exam: vital signs within normal limits, generalized lymphadenopathy, and white membranes on the oral mucosa. Laboratory results: CD4 $$275$$ cells/mm $$^3$$ , HBsAg (+), normal liver function tests. Which antiretroviral regimen is most appropriate?

Mr. Adrian, 35 years old, presents with cough productive of blood for 3 days, fever, weight loss, and recurrent diarrhea for 1 month. Vitals: BP $$100/60$$ mmHg, HR $$130$$ /min, RR $$28$$ /min, Temp $$37.9^{\circ}$$ C; rhonchi over all lung fields. Laboratory: sputum smear for acid‑fast bacilli (BTA) (+) and CD4 $$350$$ cells/mm $$^3$$ . What is the most appropriate management?

A 30‑year‑old man has had a 1‑month history of cough. He lost $$10$$ kg in a month, sweats a lot at night, has chronic diarrhea, and oral thrush (+). Whitish lesions are seen on the buccal mucosa and tongue; chest X‑ray shows caseous lesions. CD4 count is $$250$$ cells/mm $$^3$$ . What is the appropriate management?

A 25‑year‑old woman is brought to the ER for sudden seizures. Three days earlier she complained of headache. She was diagnosed HIV positive 2 months ago. CT scan of the head reveals a round lesion with ring enhancement and edema in the basal ganglia. Which opportunistic infection is most likely?

A 25‑year‑old woman presents with foul‑smelling watery diarrhea mixed with mucus and blood for 1 day. She often eats street food. Vitals: BP $$100/70$$ mmHg, HR $$88$$ /min, RR $$20$$ /min, Temp $$37.8^{\circ}$$ C; bowel sounds increased (+). Stool exam shows rounded masses with two nuclei that contain ingested erythrocytes (+). What is the most accurate diagnosis?

An 18‑year‑old man presents with 2 days of diarrhea, more than 10 times in one day, accompanied by mucus and blood with a fishy odor. He feels weak. Vitals: BP $$100/70$$ mmHg, HR $$88$$ /min, RR $$20$$ /min, Temp $$37.8^{\circ}$$ C; bowel sounds increased (+). Stool microscopy shows numerous short, red, rod‑shaped bacteria consistent with Shigella species. What is the most accurate diagnosis?

A 35‑year‑old man presents to the health center with diarrhea mixed with blood and mucus, occurring 5 times per day, accompanied by nausea and vomiting for 2 days and abdominal pain. Vitals: BP $$120/80$$ mmHg, HR $$90$$ /min, RR $$24$$ /min, Temp $$39^{\circ}$$ C; no signs of dehydration. What is the most appropriate initial supporting examination?

A 7‑year‑old girl presents with mucus‑ and blood‑streaked diarrhea for 5 days, plus nausea and abdominal pain. She often eats raw vegetables. Vitals: Pulse $$90$$ /min, RR $$26$$ /min, Temp $$37.4^{\circ}$$ C; no dehydration. Macroscopic stool exam shows erythrocytes (+), leukocytes (+), small round microorganisms containing erythrocytes, and Charcot–Leyden crystals (+). What is the diagnosis?

A 25‑year‑old woman presents with foul‑smelling watery diarrhea mixed with mucus and blood for 1 day. She often eats street food. Vitals: BP $$100/70$$ mmHg, HR $$88$$ /min, RR $$20$$ /min, Temp $$37.8^{\circ}$$ C; bowel sounds increased (+). Stool microscopy shows a large round ciliated protozoan cyst with distinct nuclei. What is the most appropriate therapy?

A 20‑year‑old man presents with 15 episodes of diarrhea in one day, with mucus and blood. He appears weak with dry lips and moderate dehydration. Vitals: BP $$100/80$$ mmHg, HR $$110$$ /min, RR $$20$$ /min, low‑grade fever. CBC shows leukocytosis. Stool microscopy reveals numerous red, rod‑shaped bacteria compatible with Shigella species. Besides rehydration, what is the appropriate management?

Mr. Wahyu, 34 years old, presents with bloody stools containing mucus, occurring 3–4 times daily for 4 days, with tenesmus and abdominal pain during defecation. Vitals are within normal limits; stool exam is positive for mucus and blood. What complication most commonly occurs in this condition?

A 15‑year‑old boy presents with watery stools sometimes mixed with mucus and blood for 5 days. Vitals are normal. Stool microscopy shows a trophozoite with ingested erythrocytes and a single nucleus consistent with Entamoeba histolytica. What is the most likely cause of his illness?

A 30‑year‑old woman is brought to the health center with watery diarrhea for 3 days accompanied by abdominal pain and nausea. Physical exam: generally well, alert, normal skin turgor, Temp $$37.6^{\circ}$$ C; abdominal exam: increased peristalsis. Microscopic stool exam shows a round microorganism with two nuclei (a macronucleus and a micronucleus). Which drug is most appropriate?

A 7-year-old boy is brought to the ER with diarrhea 6 times in one day, abdominal bloating, and frequent flatulence. Vital signs are normal, and there are no signs of dehydration. Macroscopic stool is foul-smelling, greasy, and mucoid. Microscopy shows cysts with 4 nuclei and an axostyle, as in the referenced image. What is the diagnosis?

An 18-year-old woman presents with one week of diarrhea. Stools appear oily and have a fishy odor. She reports abdominal discomfort. On examination she appears weak; vital signs: T 37.5°C, BP 90/60 mmHg, HR 100/min, RR 20/min. Stool microscopy shows flagellated protozoa compatible with the referenced image. Which therapy is most appropriate?

A 41-year-old man has watery diarrhea for 2 days and appears very weak. He reports >15 bowel movements per day. There is no mucus or blood. Stools are whitish like rice-washing water. Vital signs: BP 100/60 mmHg, HR 80/min, RR 20/min, T 37.5°C; skin turgor is markedly decreased. Which antibiotic management is most appropriate?

A 30-year-old woman reports 30 episodes of watery bowel movements in the last 8 hours. Stools are rice-water in appearance, fishy-smelling, mucoid, but without blood. She has 10 episodes of vomiting. Examination shows signs of dehydration: BP 80/60 mmHg, HR 120/min, RR 22/min, T 37.5°C, decreased skin turgor, sunken eyes, and dry oral mucosa. Stool microscopy shows leukocytes 11–15/HPF, erythrocytes negative, amoeba negative. What is the most appropriate therapy?

A 25-year-old woman recently returned from Sulawesi presents with lower abdominal pain and painful urination with reddish urine. She works at a fish farm and frequently enters river water. Vital signs: BP 100/60 mmHg, HR 80/min, RR 20/min, T 37.5°C. Routine stool examination reveals the egg shown in the referenced image. What is the most likely causative organism?

A 12-year-old girl has abdominal pain and diarrhea for one week. She also reports painful urination with reddish urine, poor appetite, and weight loss. Conjunctivae are anemic; temperature 38.5°C. Two weeks ago she vacationed in Central Sulawesi and played in rice fields. Stool examination shows the eggs depicted in the referenced image. What therapy should be given?

A 7-year-old child presents with 3 days of abdominal pain, nausea without vomiting, loss of appetite, weakness, and occasional diarrhea. Recently there has been weight loss and itching around the anus. Family often consumes pork. Vital signs are normal. Microscopy shows the referenced image. What is the diagnosis?

A 16-year-old boy reports passing white–yellow, motile worm fragments with stool that move when placed on the floor. Fragment size is 0.25–0.5 cm. Stool microscopy shows a proglottid with a uterus having 16 lateral branches and the eggs in the referenced image. Which organism is the cause?

A 7-year-old girl is brought with 3 days of abdominal pain, nausea without vomiting, loss of appetite, weakness, and occasional diarrhea. Recently there has been weight loss. The family often eats pork. Vital signs are normal. Stool microscopy shows proglottids. Which therapy should be given?

A 35-year-old man presents with 6 days of fever and 2 days of shortness of breath. He has cough with sputum tinged with blood. He reports previously expelling a worm approximately 12 cm long. Laboratory studies show hypereosinophilia. What is the most likely diagnosis?

A 6-year-old boy appears lethargic with decreased appetite and nausea. He has lost 2 kg. Vital signs are normal. Stool examination shows the egg in the referenced image. Which parasite species matches these egg characteristics?

A 7-year-old boy is evaluated for abdominal bloating and occasional nausea/vomiting. His mother reports that a worm about 10 cm was expelled during defecation. Vital signs are normal; nutritional status is suboptimal. Stool examination shows eggs with a thick shell and an outer albuminous coat. What is the transmission method of this parasite?

A 7-year-old boy has one week of abdominal pain accompanied by nausea and vomiting. He also has watery diarrhea 3–4 times per day without mucus. One month ago, a worm was expelled during defecation. Physical examination: T 36.5°C, BP 100/65 mmHg, HR 90/min, RR 25/min; conjunctivae anemic; tenderness in the mid-abdomen. Stool smear reveals oval eggs with a thick three-layered shell. What is the most appropriate management?

A stool examination found oval eggs with transparent walls. What is the diagnosis in the case described?

A 6-year-old boy is brought to the ER with weakness and decreased appetite. He is a primary school student and has recently had difficulty concentrating. He often plays in the garden without wearing sandals. Laboratory: Hb $$5.6$$ g/dL. Stool examination shows thin-walled, transparent eggs. What is the etiologic agent in this case?

A 10-year-old boy is brought to the clinic with fatigue, pallor, and easy tiredness. He often plays outdoors without footwear. Physical exam shows anemia and ground itch on the feet as in the image. What is the correct etiology?

A 25-year-old man has felt increasingly weak for the past month, with nausea and vomiting. Vitals: BP $$120/80$$ mmHg, HR $$88$$ /min, RR $$24$$ /min, Temp $$36.5^\circ$$ C. Conjunctivae are anemic. Stool examination shows the eggs pictured. What is the transmission method of this parasite?

A 9-year-old boy presents with nocturnal perianal itch. Vitals normal, weight $$23$$ kg. There is perianal irritation from scratching. Graham’s Scotch tape test shows asymmetric eggs with one flattened side as in the image. What is the most likely etiology?

A 6-year-old boy presents with itching and redness in the perianal area for 3 days. He lives in a crowded household where many have similar complaints. What finding on examination supports the diagnosis?

A 10-year-old boy has watery bloody stools for 1 month. His mother noticed a meat-like mass protruding from the anus for the past 3 days. The child often plays in soil and rarely washes hands before eating. Vitals: BP $$100/60$$ mmHg, HR $$90$$ /min, RR $$24$$ /min, Temp $$36.5^\circ$$ C. Abdomen is tender. Stool examination shows the egg pictured. What is the etiology in this case?

A 35-year-old man presents with diarrhea and anemia. Exam shows pale conjunctiva; vitals are within normal limits. Stool examination reveals jar-shaped (barrel-shaped) eggs. What is the appropriate therapy for this patient?

A 40-year-old man presents to the ER with bloody diarrhea for 2 days, abdominal pain, nausea, and vomiting. He often eats without washing his hands beforehand. Stool examination shows eggs like a jar (barrel-shaped). What complication is most likely from this parasite?

A 13-year-old boy presents with abdominal pain, watery stools, and perianal itching. Earlier he had a transient red raised lesion on the foot that resolved in $$2$$ days. Stool examination reveals slender, long larvae without sheath; the posterior end is bifid like the letter W. Which species causes these complaints?

A 35-year-old farmer from Irian Jaya presents with swelling of the right upper leg for 5 days, fever, and tender nodes in the groin and axilla; there is pitting edema of the left leg. Labs: Hb $$13$$ g/dL, leukocytes $$6{,}500$$ /µL, ESR $$25$$ mm/hour. Peripheral blood smear shows the image. What is the most likely diagnosis?

A 48-year-old man has progressive swelling of the right leg for 3 months, preceded by recurrent fever and swelling that subsided. Peripheral blood smear shows a parasite with stacked nuclei and a cephalic space with a length-to-width ratio of $$2{:}1$$ . What is the most appropriate etiology?

A 30-year-old man presents with 3 days of fever, edema of the left lower limb, and swelling in the left groin. Night-time peripheral blood smear with Giemsa shows microfilariae with a sheath, orderly nuclei, and nuclei that do not reach the tail tip. Which species of microfilaria is present?

A 32-year-old man has scrotal and left leg swelling, and urine that is milky like milk. Several neighbors have similar disease. What is the most appropriate supporting examination for diagnosis in this patient?

A child presents with swelling of the feet and scrotum. Several neighbors have the same disease. For thick blood smear examination, when should the peripheral blood specimen be collected?

A 12-year-old girl has progressive swelling of the right leg for 2 weeks. Neighbors have similar complaints. Local exam shows inguinal lymphadenopathy, non-pitting edema, and peeling skin. What is the appropriate therapy?