12 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... • Classic EKG ... #electrocardiogram ... cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... cardiac glycoside from ... - Decreases AV ... fibrillation and atrial ... #EKG #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... inversion - STE avR ... #electrocardiogram ... #cardiology #STEMI ... Interpretation #differential
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... view the heart from ... #EKG #diagram #Electrocardiogram ... #STEMI #Localization ... EmergencyMedicine #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
junctional tachy not from ... intervals >120-200ms from ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... indistinguishable from ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... excludes other differentials ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
your R is far from ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework STEMI ... STElevation #ST #STEMI ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
pacemaker focus from ... terminalis) or in AV ... sharp contrast to AV ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram