41 results
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... Tamponade Pulmonary Causes ... Pulmonary HTN - Vasculitis ... syndrome Other Causes ... differential #diagnosis #causes
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
CIDP, Guillain-Barre ... , Vasculitis, Sjogren's ... differential #diagnosis #causes
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... females Guillain-Barre ... Pathophysiology ... walking to nearly complete
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
an identifiable cause ... The cause is unknown ...     - Herpes simplex ...     - Epstein-Barr ... neurology #anatomy #pathophysiology
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
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
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... immunofluorescence Immune Complex ... Glomerulonephritis #Vasculitis
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Class I (Ia, Ib ... • Widens QRS complex ... VaughanWilliams #Classification ... #Classes #cardiology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... tracts Immune Complex ... Vasculitis • ... tract, and often causes ... #rheumatology #classification
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... from different classes ... renovascular or endocrine causes ... Causes: • Vascular ... Hypertension #Workup #causes