19 results
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
rhythm arising from ... flutter, and Wolff-Parkinson-White ... #Clinical #MedStudent ... #Cardiology #EKG ... SupraVentricularTachycardia #ECGEducator
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
used to detect atrial ... atrial flutter ... is suspected clinically ... #Cardiology #EKG ... #ECGEducator
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential ... Diagnosis Algorithm ... flutter • AV ... #Causes #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
cardiac glycoside from ... nodal conduction Uses ... : - Atrial fibrillation ... and atrial flutter ... #Cardiology #Digitalis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachy not from ... intervals >120-200ms from ... longer pause 2º ... #EKG #diagnosis ... #differential
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
flutter, ectopic ... Treat underlying cause ... flutter or MAT ... Treat underlying cause ... #algorithm
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm ... #causes
A wandering atrial pacemaker, (WAP), is an atrial arrhythmia that occurs when the natural cardiac pacemaker
the pacemaker from ... athletes and rarely causes ... #Clinical #MedStudent ... #EKG #WAP #WanderingAtrialPacemaker ... #ECGEducator
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... flutter, or atrial ... fibrillation/flutter ... #Palpitations #Cardiology ... #Differential #
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... to diagnose the case ... excludes other differentials ... that’s called “clinical