Quiz Mode

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Chest pain with ST elevation in II, III, aVF. Next best step?

Aspirin, anticoagulation, activate cath lab for emergent PCI. Consider RV infarct; avoid nitrates if hypotensive/RV involvement.

Severe hyperkalemia with peaked T waves. First medication?

IV calcium gluconate to stabilize the myocardium, then insulin/glucose to shift potassium.

Painless bright red vaginal bleeding in third trimester. What must you avoid?

Avoid digital cervical exam until placenta previa is excluded by ultrasound.

DKA patient has K⁺ 3.1. Start insulin?

No. Replace potassium first; insulin will worsen hypokalemia.

Adult meningitis empiric antibiotics?

Vancomycin + ceftriaxone; add ampicillin if older, pregnant, or immunocompromised.

Unstable atrial fibrillation with hypotension. Treatment?

Immediate synchronized cardioversion.