6 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... wave inversion in avL ... - early inferior ... depression in VI-V2 - posterior ... Interpretation #differential
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
Hyperacute Inferior ... Reciprocal STD in I & aVL ... Biphasic T-wave in aVL ... STD in V2 (posterior ... #EKG #STEMI #InferoPosterior
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... artery (LMCA). left anterior ... Subepicardial atrial injury ... • Classic EKG ... cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... • Posterior STEMI ... of the leads l, aVL ... #differential # ... cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
depression in aVR ... , not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... #ecg #ekg #electrocardiogram
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
bone marrow or stem ... Vascular narrowing on MRA ... /CTA • Anterior ... circulation: MCA ACA ... Reversible course Differential