15 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- Ischemia MI ... = Biomarkers + ECG ... #electrocardiogram ... #cardiology #STEMI ... Interpretation #differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... predictor of recurrent ischemic ... #AVR #leadAVR #ecg ... #electrocardiogram ... cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... in relation to ECG ... leads) RV Ischemia ... Changes • STE in aVR ... #electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... nodal conduction Uses ... and atrial flutter ... Digoxin effect on ECG ... #EKG #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... deviation) • Acute ischemia ... #Equivalents #ECG ... #differential # ... cardiology #electrocardiogram
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... repolarization Myocardial ischemia ... #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... Supraventricular/Atrial ... Fibrillation AV ... Cardiogenic #Shock #Differential ... #Diagnosis #Cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Diagnosis Framework STEMI ... STElevation #ST #STEMI ... #ecg #ekg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
• Myocardial ischemia ... • Underlying ischemic ... capture of the atria ... arrhythmia • Atrial ... #cardiology