Problem:
A 57-year-old woman is brought to the emergency department after an episode of hematemesis. The patient was consuming almonds when her symptoms began. Medical history is notable for hypertension, peripheral vascular disease, atrial fibrillation, and acute cystitis diagnosed three days ago. The patient takes multivitamins, labetalol, furosemide, rivaroxaban, and trimethoprim-sulfamethoxazole. Temperature is 37.7°C (99.9°F), pulse is 76/min, and blood pressure is 138/75 mmHg. Dried blood is noticed around the patient's mouth. Mild epigastric tenderness is elicited with palpation of the abdomen. Which of the following best explains the cause of this patient's symptoms? Elimination tool Perforation of distended esophageal vessel Elevated plasma drug concentration secondary to volume depletion Inhibition of cytochrome P450 enzyme Loss of clotting factors in urine Formation of autoantibodies against platelet factor. Need Assignment Help?