229 results
Loss of Consciousness in Syncope - Differential Diagnosis Framework

Syncopal causes:
• Orthostatic syncope
• Reflex syncope
• Cardiac arrhythmia
•
- Differential Diagnosis ... causes: • Orthostatic ... syncope • Reflex ... Nonsyncopal causes ... #differential #diagnosis
Syncope - Cerebral hypoperfusion leading to transient lsos of consciousness causing alck of postural tone with
Differential Diagnosis ... Cardiac (5-21%) • Orthostatic ... cause (8-20%) ... • Unclear cause ... #management
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
carotid sinus syndrome ... ) and orthostatic ... further guide management ... examination, including orthostatic ... In many cases, syncope
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Pseudo-acute coronary syndrome ... ventricular arrythmia, syncope ... Recent flu-like syndrome ... #Causes #cardiology ... #MRI
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... Vasovagal • Orthostatic ... #Syncope #Cardiology ... #Algorithm #causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... • Massive PE Orthostatic ... Subclavian steal syndrome ... #Differential #Diagnosis ... Classification #Table #Causes
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Diagnosis Framework ... hypersensitivity Orthostatic ... bradycardia, Sinus pauses ... Subclavian steal syndrome ... #Differential #Diagnosis
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... Diagnosis The ... - Others Orthostatic ... #differential #diagnosis ... #causes
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... determine etiology of syncope ... Head CT, Echo, Orthostatic ... /S, EEG, Brain MRI ... #diagnosis #workup
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... - Differential Diagnosis ... /Vasodepressor Syncope ... Arrhythmia • Orthostatic ... #Algorithm #Causes