13 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... Differentiating ventricular ... only looks at aVR ... cardiology
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
coming from a locus ... #Cardiology #MedStudent ... #EKG #Junctional ... #Rhythms #Table ... RetrogradeP #Escape #ECGEducator
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... rhythm, Conduction blocks ... tachycardia • Atria ... tachycardia (AVRT ... Diagnosis #Causes #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... until a P wave (ventricular ... independently of the atria ... #heartblock #cardiology ... #ecg #ekg #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
origin within the atria ... Dominant R wave in aVR ... ) • Right ventricular ... all leads except aVR ... Electrocardiogram #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
block (lower AV ... block - ventricular ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Diagnosis Table ... Don't rely on criteria ... nodal blockers ... Irregular #causes #cardiology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Sinus pauses • AV ... block - Tachyarrhythmias ... • Ventricular ... Classification #Table
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Regular • If ventricular ... WPW) - Avoid AV ... nodal agents (e.g ... diltiazem or B-blockers ... Treatment #management #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Bundle branch block ... 300 = NSVT EKG ... capture of the atria ... may not occur Differential ... #cardiology