13 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
vs Irregular Narrow ... • SVT. 140-280 ... • Atrial Flutter ... Narrow - Irregular ... Diagnosis #Management #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
OAVRT, AFIutter) ... • P-waves. ... whether AF is cause ... #Irregular #causes ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(>100 bpm) - Narrow ... WPW) - Narrow ... interval) • AFib ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Narrow - Regular ... SVTs - atrial/junctional ... - Irregular ... 3 different P waves ... electrocardiogram #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... flutter • AV ... • Regular SVT ... • Irregular SVT ... #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... Atrial flutter ... "PSVT" (atrioventricular ... differential #diagnosis #causes ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... flutter, ectopic ... Irregular Rhythm ... flutter or MAT ... Treatment #management #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Count-Off - Irregular ... (e.g. ectopic atrial ... /Fibrillary = afib ... Flutter PR Interval ... Interpretation #ECG
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
and atrial flutter ... : - Scooping ST ... or biphasic T waves ... #Cardiology #Digitalis ... #ECG
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... irregular rhythms ... flutter, or atrial ... /Vfib/Afib/WPW) ... #Palpitations #Cardiology