Read the animated trace, make the immediate decision, then reveal the findings that change management.
Content check & educational use
Content check recorded. All tracings are original educational vector simulations, not patient ECGs. Independent Clinora teaching, not an official MRCP examination or diagnostic device. Current resuscitation guidance and local pathways remain authoritative.
0/1 attempted · 0 correct This visit only · not a pass prediction
Acute coronary syndrome
Posterior occlusion hidden in the mirror leads
ECG-01
A 61-year-old has 45 minutes of crushing chest pain, diaphoresis and nausea. The standard ECG has horizontal ST depression with tall dominant R waves in V1–V3. Troponin is not yet available and blood pressure is 128/76 mmHg.
25 mm/s · 10 mm/mV · simulation
Rate86/minRhythmSinus, regularAxisNormalIntervalsQRS narrow; QTc not prolonged