21 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... tachycardia (MAT ... 1º - long PR intervals ... #electrocardiogram ... #cardiology #differential
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Atrial Flutter on ... isoelectric baseline in at ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
flutter (rate control ... (at therapeutic ... waves - Short QT ... interval Dr. ... #EKG #Cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Tachycardia • Aflutter ... setting of long QT ... tachyarrhythmias #Cardiology ... #Differential #
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... PP, PR and RR intervals ... Tachycardia #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram ... #labeled #clinical
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
"Sinus Tach" at ... cue to look for flutter ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
look like the sinus ... will have a PR interval ... #complexes #cardiology ... #ecg #electrocardiogram ... #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
vary at random ... Wandering Atrial ... #Arrhythmia #cardiology ... #ecg #electrocardiogram ... #variants #clinical
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Flutter PR Interval ... /QTC Interval: ... #Electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
vary at random ... Wandering Atrial ... #Arrhythmia #cardiology ... #ecg #electrocardiogram ... #variants #clinical