Exam 1 part 2 EM/surg

Perioperative antibiotics should be given ___ minutes prior to incision

• 30 min

• 60 min

• 90 min

• 120 min

What is the most common cause of post operative fever within the first 48 hours

• wound infection

• Atelectasis

• UTI

• DVT

A 60 year old male presents to the office complaining of fever and right leg pain. He had a total right knee replacement 6 days ago, and has not been ambulating much after surgery due to pain. Physical exam reveals pain with passive dorsiflexion of the right foot. What is the most common life threatening complication of the likely diagnosis?

• MI

• Stroke

• Acute limb ischemia

• PE

Necrotic tissue without the presence of purulent drainage would be considered under what SSI classification?

• I

• II

• III

• IV

Which of the following are possible reasons for failure of abx treatment

• Presence of fungal or viral infection

• organisms with drug resistance

• uncontrolled source of infection

• existence of additional organisms

A 72 year old male with a history of congestive heart failure has been experiencing a range of symptoms that prompt him to visit the clinic. He reports visual disturbances, including seeing yellow halos around lights, as well as nausea and fatigue. EKG monitor shows a 1st degree AV block. Based on the clinical manifestations, what is the most likely diagnosis?

• lithium toxicity

• digitalis toxicity

• aspirin toxicity

• lead toxicity

A 63 year old male with a history of severe depression is brought to the emergency department. He is unconscious and had one seizure despite treatment with activated charcoal, bicarbonate, and fluid replacement therapy. ABG reveals mixed respiratory alkalosis and metabolic acidosis. What is the next best step in treating this patient?

• Administer Flumazenil

• Administer naloxone

• Start hemodialysis

• perform gastric lavage

Protamine sulfate is the reversal agent for which of the following toxicity?

• Heparin

• anticholinergics

• benzos

• acetaminophen

Which of the following presents with a bleb formation at the bite site and necrosis of the underlying tissue?

• black widow bite

• Stringray sting

• brown recluse

• Portuguese man of war sting

Which of the following are included in the treatment of a heat stroke?

• ABCs

• Immediate cooling

• tylenol

• IV fluids