10 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... elevation in aVR ... • Classic EKG ... #AVR #leadAVR #ecg ... cardiology
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Pattern STEMI ... ) Upsloping ST elevation ... in aVR (>= 1 mm ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
Winter T-Waves on EKG ... before or after STEMI ... - look for ST elevation ... in aVR (0.5-1mm ... #diagnosis #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI - Elevation ... in aVR • Posterior ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Cavitary Lesion ... with Air-Fluid Level ... on Chest XRay ... #Cavitary #CXR ... Clinical #Pulmonary #Radiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... inversion - STE avR ... #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential ... depression in aVR ... depression in aVR ... #Elevation #differential ... #ecg #ekg #electrocardiogram
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... usually contain air ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... early disease) • CXR ... lat decubitus - air ... Lung Abscess Differential ... • Vasculitis (e.g