AMBOSS

Which of the following is the most appropriate initial pharmacotherapy?

• Rifampin, isoniazid, pyrazinamide, and ethambutol

• Vancomycin

• Piperacillin/tazobactam

• Trimethoprim/sulfamethoxazole

• Erythromycin

Which of the following is the strongest predisposing factor for this patient's condition?

• Degree of carotid stenosis

• Aspirin therapy

• Perioperative heparin

• Hypertension

• Smoking

This patient is most likely to have which of the following additional findings?

• Decreased right atrial pressure

• Increased lung compliance

• Decreased diffusing capacity

• Increased airway resistance

• Decreased alveolar-arterial gradient

Which of the following is the most likely underlying mechanism of these findings?

• Increased pulmonary capillary wedge pressure

• Increased central venous pressure

• Increased oxygenated blood in the right ventricle

• Increased mean arterial pressure

• Increased left ventricular end diastolic pressure

Which of the following nerves is most likely injured in this patient?

• Tibial nerve

• Sural nerve

• Deep peroneal nerve

• Superficial peroneal nerve

• Saphenous nerve