// EMT Question · Cardiology & Resuscitation
A 55-year-old took sildenafil 12 hours ago and now has chest pain. NTG is:
A. Safe to administer
B. Contraindicated due to risk of hypotensionCorrect
C. Given at half dose
D. Given only with IV access
// Rationale
Phosphodiesterase-5 inhibitors within 24-48h contraindicate nitrates due to profound hypotension risk.