52 results
Loss of Consciousness in Syncope - Differential Diagnosis Framework

Syncopal causes:
• Orthostatic syncope
• Reflex syncope
• Cardiac arrhythmia
•
- Differential ... causes: • Orthostatic ... syncopeCardiac ... Nonsyncopal causes ... #LOC #differential
Syncope - Cerebral hypoperfusion leading to transient lsos of consciousness causing alck of postural tone with
immediate recovery Differential ... : • Cardiac ( ... cause (8-20%) ... • Unclear cause ... #differential #
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Arrhythmias - Differential ... palpitations, dizziness, syncope ... chest discomfort Cardiac ... disease • Cardiomyopathy ... previous MI) Non-Cardiac
Congestive Heart Failure - Causes, Pathophysiology and Differential Diagnosis
 • Dilated Cardiomyopathy 
 • Hypertrophic Cardiomyopathy
Pathophysiology and Differential ... Diagnosis • Dilated ... Cardiomyopathy ... • Hypertrophic Cardiomyopathy ... Pathophysiology #Differential
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... percentage of syncopal ... Volume depletion Cardiac ... #differential # ... diagnosis #causes
Causes of Dilated Cardiomyopathy DCMP - Differential Diagnosis Algorithm
Idiopathic DCMP: Viral, Inflammatory cardiomyopathy, Genetic causes, Unknown
Causes of Dilated ... Cardiomyopathy ... DCMP - Differential ... #Cardiomyopathy ... #DCMP #Differential
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Cardiac Arrest ... , Familial dilated ... cardiomyopathy, ... Arrest #cardiology #differential
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... bradycardia • Sinus pauses ... • Hypertrophic cardiomyopathy ... #Differential # ... Classification #Table #Causes
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Abnormalities - Differential ... pressure >10mmHg: • Cardiac ... • Restrictive Cardiomyopathy ... Pulsus tardus (delayed ... Diagnosis #Algorithm #causes
Restrictive Cardiomyopathy - Diagnosis and Causes
Clinical: Dyspnea, Exercise Intolerance, ↑ "Right Sided-Symptoms" (ascites, hepatomegaly, ↑↑peripheral edema)
Physical
Diagnosis and Causes ... Echocardiography, Cardiac ... MRI, Cardiac Catheterization ... #Diagnosis #Causes ... #differential #