ECG library
Lateral ST depression: subendocardial ischemia
coreA 79-year-old with sepsis, a hemoglobin of 68, and new chest tightness.
25 mm/s · 10 mm/mV · synthetic tracing
100%
Calipers:2000 ms50.0 small boxes30 bpm if R-RDrag the orange markers. One small box = 40 ms.
Key findings
- Widespread horizontal ST depression
- No territorial elevation
- A stressed physiology at the bedside
Learning points
- Depression in many territories usually means demand ischemia: treat the fever, the anemia, the tachycardia.
- Depression maximal in V1 to V3 is the exception: think posterior infarction and look at the mirror.
Connected