19 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Atrial flutter • AV ... nodal reentrant ... AV reentrant tachycardia ... Diagnosis #Algorithm #Causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... (MAT) • AV node ... : AV re-entrant ... ), AV nodal re-entrant ... Differential #Diagnosis #Causes
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Tachycardia (AVNRT ... - In most case ... ECG usually shows ... narrow complex tachycardia ... #Tachycardia #AVNRT
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• Tx: Vagal maneuvers ... whether AF is cause ... Tx: Underlying cause ... abnormality • Beware AV ... Narrow #Irregular #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Attempt vagal maneuvers ... Control rate with AV ... Control rate (e.g ... Treat underlying cause ... Treat underlying cause
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (1) Sinus tachycardia ... Multifocal atrial tachycardia ... 200ms from longer pause ... bradyarrhythmia #ECG
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
AV block ... • Ventricular tachycardia ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table #Causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Negative urine dip ... Positive urine dip ... Protein deposition (eg ... #Proteinuria #Nephrology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
PSC BPPV after Dix ... Hallpike Maneuver ... This is a case ... #Hallpike #Maneuver ... ophthalmology #neurology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... • Bradycardia caused ... Valvular disease (e.g ... NON-CARDIAC CAUSES ... or other vagal maneuvers