6 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial injury ... • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
that results in injury ... in transmural injury ... is reflected by ECG ... #Diagnosis #Cardiology ... : The Only EKG Book
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... microvascular injury ... changes on tele/ECG ... perform provocative tests ... #cardiology #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... wave inversion in avL ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... ST elevation in aVR ... of the leads l, aVL ... #Equivalents #ECG ... #EKG #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... Prinzmetal's Angina ... #ecg #ekg #electrocardiogram