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
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... WPW) - Narrow ... interval) • AFib ... with Variable AV ... tachyarrhythmias #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... Narrow - Regular ... SVTs - atrial/junctional ... - Irregular ... electrocardiogram #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
flutterAV ... tachycardia • AV ... • Regular SVT ... • Irregular SVT ... Algorithm #Causes #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
tachycardia • Narrow ... QRS - Irregular ... AV block, Multifocal ... AV block & bundle ... Differential #Diagnosis #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
OAVRT, AFIutter) ... > SVT+conduction ... > AFIutter + variable ... abnormality • Beware AV ... #cardiology
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
and Management Narrow ... w/ AV Block, Atrial ... : Regular SVT WI ... : Irregular SVT ... epinephrine 4) Page Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Narrow-Complex ... Control rate with AV ... underlying cause Irregular ... #management #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular ... Narrow & irregular ... P and QRS • Atrial ... • Block in AV ... #cardiology
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
cardioversion • If known SVT ... WPW) - Avoid AV ... nodal agents (e.g ... aberrancy - Follow narrow-complex ... #management #cardiology