11 results
Patterns of Ischemia T-Waves on ECG

However, there are more kinds of ischemia than just STEMI and
than just STEMI ... #Diagnosis #Cardiology ... #ECG #EKG #NSTEMI ... TWaves #DeWinter #Wellens ... #HyperacuteT #Table
Wellen's Syndrome 
Type A - Biphasic T wave 
Type B - Deeply inverted T wave
Wellen's Syndrome ... specific for a critical ... Classification #Types #Cardiology ... #EKG #ECG #Electrocardiogram ... #Diagnosis
Wellens Syndrome on EKG
Associated with a critical stenosis of the proximal LAD, suggestive of impending infarction
-
Wellens Syndrome ... with a critical ... #ecg #cardiology ... #electrocardiogram ... #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- Ischemia MI ... STE in avR - Wellen's ... #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG ... waves • Pseudo-STEMI ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Benign T-wave Inversion (BTWI) vs. Wellens'
 • Usually in leads V3-V6 (vs. V2-V4 in Wellens'), but
Wellens' • Usually ... V2-V4 in Wellens ... are generally stable ... #ECG #diagnosis ... #cardiology #electrocardiogram
Differentiating type-I vs. type-II MI

Sorting this out is difficult, often relying heavily on clinical judgement.

A key
relying heavily on clinical ... of myocardial ischemia ... give someone 500 mcg ... The table below ... #Diagnosis #Myocardial
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
history of: a) Ischemic ... Obtain EKG if: ... Change in clinical ... one post op Cardiology ... stratification #diagnosis