13 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Complete Heart Block ... Tachycardia with 2:1 AV ... BlockBidirectional ... #ecg #ekg #electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... effect on ECG ( ... #EKG #Cardiology ... #Digitalis #ECG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... ) in WPW: ST elevation ... #AVR #leadAVR #ecg ... #diagnosis #ekg
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
finds the right bundle ... • PAC can be blocked ... #PACs #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
+ negative T WPW ... LPFB (see below), 1st ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #electrocardiogram
First Degree AV Block
 • The P wave is normal in morphology.
 • PR interval greater
First Degree AV ... is an existing bundle ... Degree #AVBlock #1st ... #ecg #ekg #cardiology ... #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib + WPW ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
node (His bundle ... independently of the atria ... #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart ... • Block in AV ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology