5 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... #electrocardiogram ... #diagnosis #ekg ... #differential #
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast Effect ... Small secundum ASD ... Negative #Contrast #Effect ... echocardiogram #s4c ... #pocus #bubble
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential ... QRS complex Pulmonary ... #differential # ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
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 ... Gradient #alveolar #arterial ... #hypoxemia #differential
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... output - Acute pulmonary ... ’s • Reduced Arterial ... Neoplasia/Warburg effect ... #Differential #