17 results
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
Left Main Coronary ... - aVR ST segment ... - aVR ST segment ... #LeftMain #Coronary ... Occlusion #Artery #ECG
Knuckle Sign on ECG - Acute Pericarditis

Electrocardiogram of a 68-year-old woman two days after coronary artery
Knuckle Sign on ECG ... two days after coronary ... the diffuse ST elevation ... , and PR elevation ... #Pericarditis #ECG
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
attributed to coronary ... of epicardial coronary ... Variable troponin elevation ... changes on tele/ECG ... • Can perform
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... indicative of left main coronary ... ). or 3-vessel coronary ... elevation in aVR ... #AVR #leadAVR #ecg
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Acute Coronary Syndrome ... , Unstable Angina ... infarct to the subendocardial ... is reflected by ECG ... Text: The Only EKG
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Winter T Wave ECG ... anterior descending (LAD ... ) Upsloping ST elevation ... in aVR (>= 1 mm ... DeWinter #TWaves #ECG
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
Widespread ST elevation ... depression; In aVR ... depression and PR elevation ... Can also be seen ... #ECG #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... Prinzmetal's Angina ... Other Causes - STE can ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Progression of EKG changes in Acute Coronary Syndrome (ACS)
Hyperacute T waves:
 • Broad-based and symmetrical, usually
changes in Acute Coronary ... /S ratio >1 ST elevation ... : • New ST elevation ... , aVF, or V4-V6 ... electrocardiogram #Acute #coronary
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... or echo/angiogram ... leads with STE in avR ... #Ischemia #ECG