Question

A 58-year-old male with a history of hypertension and hyperlipidemia presents to the emergency department with 90 minutes of severe, crushing substernal chest pain radiating to his left jaw and diaphoresis. An immediate 12-lead ECG demonstrates 3 mm ST-segment elevation in leads V1 through V4. The nearest percutaneous coronary intervention (PCI)-capable hospital is 25 minutes away. What is the most appropriate initial reperfusion strategy for this patient?

Internal Medicine

Question · Medium

Question

A 21-year-old female with Type 1 Diabetes Mellitus presents to the emergency department with abdominal pain, Kussmaul respirations, and vomiting. Initial lab tests show: blood glucose 480 mg/dL, arterial pH 7.15, serum bicarbonate 10 mEq/L, anion gap 24 mEq/L, and serum potassium 3.1 mEq/L. What is the most critical initial management rule regarding insulin administration in this patient?

Internal Medicine

Question · Hard

Question

A 38-year-old male is evaluated for refractory hypertension (BP 175/105 mmHg despite triple-agent antihypertensive therapy including an ACE inhibitor, calcium channel blocker, and thiazide). Routine blood tests reveal a serum potassium of 2.9 mEq/L (reference 3.5-5.0 mEq/L). Screening reveals an elevated plasma aldosterone concentration (PAC) of 32 ng/dL and a suppressed plasma renin activity (PRA) of 0.4 ng/mL/h, yielding an aldosterone-to-renin ratio (ARR) of 80 (normal < 20). What is the next most appropriate confirmatory test?

Internal Medicine

Question · Hard

Question

A 46-year-old obese female presents with severe continuous right upper quadrant pain, nausea, and vomiting that started after a fatty dinner 12 hours ago. On physical examination, she demonstrates inspiratory arrest during deep palpation of the right subcostal margin (positive Murphy sign). Temperature is 38.4°C and WBC is 13,500/mm³. Transabdominal ultrasound shows gallbladder wall thickening (5 mm), pericholecystic fluid, and gallstones impacted in the gallbladder neck. What is the definitive management of choice?

General Surgery

Question · Medium

Question

A 28-year-old unrestrained driver arrives at the trauma bay following a high-speed motor vehicle collision. He is severely dyspneic, cyanotic, and agitated. Vital signs: BP 70/40 mmHg, HR 138 bpm, RR 36/min, SpO2 82%. Physical exam reveals absent breath sounds over the right hemithorax, hyperresonance to percussion on the right, distended neck veins, and tracheal deviation to the left. What is the immediate life-saving intervention?

General Surgery

Question · Easy

Question

A 71-year-old male with a 45 pack-year smoking history collapses with sudden-onset tearing lower back and abdominal pain. In the emergency department, his blood pressure is 75/40 mmHg and HR is 120 bpm. On physical examination, a prominent, pulsatile, expansile mid-abdominal mass is palpable. Bedside point-of-care ultrasound demonstrates an infrarenal abdominal aorta measuring 6.8 cm in diameter with free retroperitoneal fluid. What is the diagnosis and immediate management plan?

General Surgery

Question · Hard

Question

A 3-day-old breastfed full-term male newborn presents with cutaneous jaundice extending from his face down to his mid-abdomen. He is nursing vigorously every 2.5 hours, producing 6 wet diapers and 4 yellow stools daily. Vital signs are normal, and physical exam is unremarkable. Serum total bilirubin is 11.5 mg/dL (unconjugated fraction 11.0 mg/dL, conjugated fraction 0.5 mg/dL). Hemoglobin is 16.5 g/dL and blood types of mother and baby are both O positive. What is the most likely diagnosis and appropriate management?

Pediatrics

Question · Medium

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