21 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block ... and Accelerated ... Tachycardia with 2:1 AV ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... > 0.7: ppv = 46% ... #electrocardiogram ... #differential #cardiology
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV ... interval on the electrocardiogram ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV ... interval on the electrocardiogram ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... is a cardiac glycoside ... - Decreases AV ... fibrillation and ... #EKG #Cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
Almost any type of cardiac ... , sino-atrial (SA ... ) block, AV disso­ciation ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
other causes of cardio-pulmonary ... also a result of atrial ... Changes • STE in aVR ... AcutePE #diagnosis #cardiology ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Dominant R wave in aVR ... and V1 (Invert ... #Electrocardiogram ... #cardiology #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
independently of the atria ... dissociation and ... #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
association between P and ... QRS • Atrial ... • Block in AV ... #electrocardiogram ... #ecg #cardiology