13 results
Knuckle Sign on ECG - Acute Pericarditis

Electrocardiogram of a 68-year-old woman two days after coronary artery
- Acute Pericarditis ... Electrocardiogram ... Note the diffuse ST ... except for the ST ... #ECG #EKG #Electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... infarction: ST ... ST elevation in ... • Multilead ST ... tachycardia • ST
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
ST elevation (< ... depression; In aVR ... : ST depression ... also be seen in acute ... #EKG #ECG #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
women • DDx: Acute ... 0.5mm downgoing ST ... line; upsloping ST ... vessel disease - ST ... - R/S >1 or ST
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
in acute pericarditis ... diffuse, positive, ST ... with reciprocal ST ... depression in aVR ... normalization of ST
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
depression Pericarditis ... depression in aVR ... weeks following an acute ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Acute Pericarditis Electrocardiographic Changes

Stage l: Diffuse, concave ST-segment elevation 

Stage II: ST segments normalize, J point
Acute Pericarditis ... Diffuse, concave ST-segment ... elevation Stage II: ST ... #Electrocardiogram ... #ECG #EKG #Cardiology
ECG shows hyperacute T waves in leads V1 to V4 and 0.5-mm ST-segment elevation in AVR

#HyperacuteTWaves
ECG shows hyperacute ... V4 and 0.5-mm ST-segment ... elevation in AVR ... #EKG #Electrocardiogram ... #Clinical #AcuteMI
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... in relation to ECG ... • Non-specific ST-T ... in aVR +/- Right ... diagnosis #cardiology #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... elevation in aVR ... deviation) • Acute ... #Equivalents #ECG ... differential #cardiology #electrocardiogram