127 results
Complete AV Canal Defect on Echocardiogram

Among pts with Pulmonary Arterial Hypertension, those with Eisenmenger syndrome have
Complete AV Canal ... Defect on Echocardiogram ... Complete AV canal ... Ivan_Echocardio #CAVCD ... #Complete #AVCanal
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Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Hypocomplementemic Urticarial Vasculitis ... antibiody -> Immune Complex ... > Incr Immune Complex ... Formation -> Vasculitis ... Hypocomplementemic #Urticarial #Vasculitis
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Algorithm Narrow Complex ... tachycardia Narrow Complex ... conduction Wide-Complex ... Pacemaker-facilitated Wide-Complex ... aberrancy Wide-Complex
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Rhythm - Narrow Complex ... Rhythm - Wide Complex ... Rhythm - Narrow Complex ... whether AF is cause ... Rhythm - Wide Complex
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... Leukocytoclastic Vasculitis ... (LCV), Immune complex ... nonpalpable #palpable #Causes ... Differential #Diagnosis #vasculitis
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Irregular Narrow Complex ... Regular Narrow Complex ... differential #diagnosis #causes
Loculated pericardial effusion seen in apical 4-chamber on echocardiogram

Dr. J. Christian Fox @jchristianfox

#Pericardial #Effusion #Loculated #complex
apical 4-chamber on echocardiogram ... Effusion #Loculated #complex ... #Echocardiogram
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Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Focal: Simple, Complex ... malformation, Aneurysm, Vasculitis ... Diagnosis #Algorithm #Causes
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... by large vessel vasculitis ... medium vessel vasculitis ... and small vessel vasculitis ... although immune complex
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) - Narrow Complex ... WPW) - Narrow Complex ... Tachycardia - Wide Complex ... aberrancy - Wide Complex ... Diagnosis #Algorithm #causes