Cardiology - Group 1 | Medical Hub

61. What is the ECG finding of hyperkalemia?

A) Peaked T waves, wide QRS, sine wave B) Prolonged QT C) ST elevation D) T wave inversion

62. What is the first-line treatment for severe hyperkalemia (>6.5 with ECG changes)?

A) Calcium gluconate B) Insulin + glucose C) Albuterol D) Furosemide

63. What is the definition of resistant hypertension?

A) BP >130/80 despite 3 medications including a diuretic B) BP >140/90 despite 2 medications C) BP >150/95 despite 4 medications D) BP >160/100 despite 1 medication

64. What is the most common cause of secondary hypertension?

A) Primary hyperaldosteronism B) Renal artery stenosis C) Chronic kidney disease D) Obstructive sleep apnea

65. What is the best screening test for primary hyperaldosteronism?

A) Aldosterone-to-renin ratio B) Serum aldosterone C) Plasma renin activity D) 24-hour urine aldosterone