7 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... with QRS ≥120 ms ... #electrocardiogram ... #pathophysiology ... #ekg #ecg #cardiology
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Cath Lab ASAP: STEMI ... low (1-2) risk, +ECG ... /UA: stable, TIMI ... #Inpatient #CathLab ... catheterization #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval ≥ 120 ms ... @AmyChung #EKG ... #Electrocardiogram ... #cardiology #diagnosis
Left Main Coronary Artery Thrombus seen on Angiography

“Mother of all coronary thrombi”.  55 year old
Anterior wall STEMI ... Cardiogenic shock, ECG ... established, but died on table ... LMCA #Angiogram #CathLab ... #clinical #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... segment at (or 40-60 ms ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
ICD/pacer - QTc ... <300-360 ms: ↑ca ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... and a prolonged QT ... STElevation #ST #STEMI ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram