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WorksheetsEmbolism and Infarction Quiz
Total questions: 20
Worksheet time: 10mins
Embolism is defined as
Formation of clot in vessel during life
Detached intravascular mass carried by blood to distant site
Postmortem clot
Extravasation of blood
Most common type of embolism is
Fat embolism
Air embolism
Thromboembolism
Amniotic fluid embolism
Pulmonary embolism most commonly arises from
Left atrium
Portal vein
Deep veins of leg
Renal veins
Massive pulmonary embolism can cause
Sudden death
Chronic pulmonary hypertension
Left ventricular failure
Hemoptysis
Repeated small pulmonary emboli lead to
Pulmonary infarction
Cor pulmonale
ARDS
Right ventricular hypertrophy
Pulmonary embolism most often lodges in
Main pulmonary artery
Segmental arteries
Bronchial arteries
Coronary arteries
Pulmonary infarction is more common in patients with
Normal lungs
Dual blood supply
Congestive heart failure
Young age
Fat embolism is most commonly associated with
Soft tissue injury
Long bone fractures
Brain trauma
Abdominal surgery
Pathogenesis of fat embolism includes
Mechanical obstruction only
Biochemical injury only
Mechanical and biochemical mechanisms
Immune complex deposition
Classic triad of fat embolism syndrome includes
Chest pain dyspnea hemoptysis
Respiratory distress neurological signs petechiae
Fever rash hypotension
Hematuria jaundice anemia
Petechial hemorrhages in fat embolism are commonly seen in
Lower limbs only
Trunk and conjunctiva
Palms and soles
Oral cavity
Air embolism can occur during
Minor venepuncture
Childbirth
Caesarean section
Central venous catheter manipulation
Decompression sickness is due to
Nitrogen embolism
Oxygen toxicity
Carbon monoxide poisoning
Fat embolism
Amniotic fluid embolism usually occurs during
Early pregnancy
Labour or postpartum period
Menstruation
Ovulation
Amniotic fluid embolism presents with
Gradual dyspnea only
Sudden respiratory distress shock DIC
Chronic pulmonary hypertension
Isolated fever
Paradoxical embolism occurs due to
Patent ductus arteriosus
Atrial septal defect
Ventricular septal defect
Foramen magnum
An infarct is defined as
Area of hemorrhage
Area of ischemic necrosis due to vascular occlusion
Inflammatory lesion
Abscess formation
White infarcts are commonly seen in
Loose tissues
Organs with dual blood supply
Solid organs with end arterial supply
Lungs
Red infarcts occur in all EXCEPT
Lung
Intestine
Testis
Heart
Cause of red infarct includes all EXCEPT
Venous occlusion
Loose tissue
Reperfusion
Dual blood supply
End arterial occlusion
