38 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... #Palsy #Neurology ... #Signs #Symptoms ... #Diagnosis
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... (3%) • Infections ... dermatology #semiology #signs ... #lesions #diagnosis ... manifestations #pathology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Cavernous Sinus (CS) Pathology ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Findings - Infectious ... respiratory tract infections ... various inflammatory cells ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... vomiting, auditory symptoms ... /signs, bidirectional ... nystagmus - Infection ... #Differential #Diagnosis
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Environmental triggers - Infectious ... Viral replication causes ... Pathophysiology #Diagnosis ... #Signs #Symptoms ... #Vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... to exclude are infections ... Presentation - Systemic Symptoms ... purpura: strong sign
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
deposits - Post-infectious ... hematuria • Signs ... GN or vasculitis ... Hematuria: • Infection ... #nephrology #renal
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Presentation: Systemic Symptoms ... purpura: Strong sign ... • Progressive symptoms ... tract, and often causes