9 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Atrial Flutter ... • DDx: SVT + ... Diagnosis #Management #cardiology ... #wide #narrow # ... algorithm #irregular
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... SVTs - atrial/junctional ... 200ms from longer pause ... electrocardiogram #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(>100 bpm) - Narrow ... WPW) - Narrow ... interval) • AFib ... tachyarrhythmias #Cardiology ... #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Narrow Complex ... flutter • AV ... flutter with variable ... #Causes #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... OAVRT, AFIutter) ... > SVT+conduction ... whether AF is cause ... #causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
• His-purkinje system ... Flutter (AFL), ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes ... #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... Anticholinergics Systemic ... /Vfib/Afib/WPW) ... #Palpitations #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... flutter, ectopic ... flutter or MAT ... Treatment #management #cardiology ... #algorithm
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Waves/Fibrillary = afib ... Flutter PR Interval ... > 40 ms (1 mm) wide ... #diagnosis #system