11 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Algorithm Bradyarrhythmia ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis ... #Algorithm #causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Junctional escape rhythm ... Flutter (AFL), ... #Differential #Diagnosis ... #Causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Tachycardia Regular Rhythm ... flutter, ectopic ... Irregular Rhythm ... flutter or MAT ... #algorithm
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... A regular rhythm ... Atrial flutter ... #differential #diagnosis ... #causes #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Algorithm Narrow ... flutter • AV ... #Algorithm #Causes ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
arrest - escape rhythms ... 200ms from longer pause ... bradyarrhythmia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
in 10s x 6 2) Rhythm ... rhythm • No ... Flutter PR Interval ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
fibrillation/flutter ... “cannon waves” caused ... RA (junctional rhythm ... Interpretation #Diagnosis ... #Cardiology #Venous
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... flutter, or atrial ... fibrillation/flutter ... #Palpitations #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... : WPW, ectopic atrial ... Short QT <300-360 ms ... Approach #ECG #EKG #diagnosis ... #electrocardiogram