Question 1
A 58-year-old male presents to the emergency department of a CABA general acute hospital with 90 minutes of crushing retrosternal chest pain radiating to his left arm and diaphoresis. An immediate electrocardiogram (ECG) reveals 3 mm ST-segment elevation in leads V1 through V4. The hospital has a functioning cardiac catheterization laboratory with an on-site interventional team available within 30 minutes. What is the most appropriate initial reperfusion strategy?
Correct Answer:
Immediate primary percutaneous coronary intervention (PCI)
Question 2
A 64-year-old female with chronic heart failure and a left ventricular ejection fraction (LVEF) of 28% remains symptomatic (NYHA Functional Class II) despite optimized treatment with sacubitril/valsartan and carvedilol. Her blood pressure is 122/76 mmHg, heart rate is 68 bpm, serum potassium is 4.3 mEq/L, and estimated GFR is 58 mL/min/1.73 m2. According to international and Argentine cardiology guidelines (SAC), which combination of medications should be added to complete foundational guideline-directed medical therapy (GDMT)?
Correct Answer:
Spironolactone and dapagliflozin
Question 3
A 71-year-old male with a history of hypertension, type 2 diabetes mellitus, and a previous ischemic stroke 2 years ago is diagnosed with non-valvular atrial fibrillation during a routine clinic visit. He is currently asymptomatic with a heart rate of 78 bpm. What is his CHA2DS2-VASc score and what is the recommended long-term management strategy to prevent systemic thromboembolism?
Correct Answer:
CHA2DS2-VASc score 5; initiate oral anticoagulation with a direct oral anticoagulant (DOAC) or warfarin
Question 4
A 38-year-old female is evaluated for persistent grade 2 hypertension (blood pressure 168/102 mmHg) despite adherence to a three-drug regimen including enalapril, amlodipine, and hydrochlorothiazide. Routine laboratory testing reveals a serum potassium of 2.9 mEq/L (normal: 3.5-5.0 mEq/L) and a serum bicarbonate of 31 mEq/L. Which diagnostic screening test is the most appropriate next step to evaluate for the suspected secondary cause of her hypertension?
Correct Answer:
Morning plasma aldosterone concentration to plasma renin activity (PAC/PRA) ratio
Question 5
A 52-year-old male with a native bicuspid aortic valve presents with a 3-week history of low-grade fever, night sweats, fatigue, and weight loss. Physical examination reveals a new grade 3/6 regurgitant aortic murmur and subungual splinter hemorrhages. Blood cultures draw 3 separate sets positive for Streptococcus viridans sensitive to penicillin. Transthoracic echocardiogram confirms an 8 mm oscillating vegetation on the aortic valve. According to the modified Duke criteria, what is the diagnostic classification and the first-line targeted antimicrobial therapy?
Correct Answer:
Definite infective endocarditis; intravenous penicillin G (or ampicillin) plus gentamicina or ceftriaxone monotherapy
Question 1
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Prepare with the Residencias CABA Medicina Practice Questions - Buenos Aires City Health Residencies Contest (Concurso de Residencias del Equipo de Salud del GCABA - Medicina) Exam practice quiz. This question bank includes 100 questions covering year-old, presents, serum, male, and blood. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Residencias CABA Medicina Practice Questions - Buenos Aires City Health Residencies Contest (Concurso de Residencias del Equipo de Salud del GCABA - Medicina) Exam

This practice set contains 100 questions from the matching question bank and focuses on year-old, presents, serum, male, and blood. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

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