19 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
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... defibrillator at ... EricsMedicalLectures/ #Atrial ... #ekg #electrocardiogram ... #cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
depression in aVR ... PR segment in aVR ... leads indicates atrial ... Diagnosis #EM #IM #Cardiology ... #Spodick #ECGEducator
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... - Decreases AV ... fibrillation and atrial ... (at therapeutic ... #EKG #Cardiology
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
) on EKG • Regular ... complexes >120 ms ... or may not be seen ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... all leads except aVR ... @AmyChung #EKG ... #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... tachycardia (MAT ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Tachycardia (SVT) - Differential ... Tachycardia, AVNRT, AVRT ... Fibrillation, MAT ... semi-recumbent position 3) Ask ... Diagnosis #Management #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
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... : WPW, ectopic atrial ... Short QT <300-360 ms ... #EKG #diagnosis ... #electrocardiogram