3 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... • Classic EKG ... #electrocardiogram ... #diagnosis #ekg
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... PiO2: Extreme Elevation ... • Diffusion Defect ... #alveolar #arterial ... #hypoxemia #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential ... depression in aVR ... depression in aVR ... QRS complex Pulmonary ... #ekg #electrocardiogram