15 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... events in-hospital. heart ... Subepicardial atrial ... #electrocardiogram ... cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
depression in aVR ... PR segment in aVR ... especially left heart ... leads indicates atrial ... #Spodick #ECGEducator
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
) on EKG • Regular ... complexes >120 ms ... • Heart rate ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... rate control) - Heart ... (at therapeutic ... #EKG #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... all leads except aVR ... proportional to heart ... @AmyChung #EKG ... #Electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervals vary at ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... tachycardia (MAT ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
May be no pattern ... P and QRS • Atrial ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervals vary at ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
" • Complete Heart ... independently of the atria ... #Blocks #heart ... #ecg #ekg #diagnosis ... #electrocardiogram