22 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... • Meningeal signs ... Systemic symptoms and signs ... Space-occupying brain ... lesion • CNS
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... (5%): PAN > GPA ... (3%) • Infections ... dermatology #semiology #signs ... #differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... blade of grass sign ... Diagnosis #Bony #Differential ... #Radiology #XRay ... #msk #lesions #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, LAD, and hepatomegaly ... splenomegaly Other infections ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... blade of grass sign ... #Bony #Differential ... #Diagnosis #Radiology ... #XRay #MSK #pediatrics
Checklist for the Echocardiographic Evaluation of Pulmonary Hypertension
 • Record estimated PASP
 • Evaluate RV size
• Evaluate for signs ... • Evaluate for causes ... disease, shunt lesions ... ) • Differentiate ... Echocardiography #diagnosis #cardiology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... nervous system: Brain ... • Infectious: Brain ... Lack of UMN/LMN signs ... #Weakness #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... 50 years • New headache ... Progressive symptoms of headache ... tract, and often causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... ischemic skin lesions ... tract, and often causes ... to exclude are infections ... purpura: strong sign
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... Meningitis • Include: vasculitis ... contrast enhancement Brain ... neurological symptoms • Caused ... Tuberculosis #diagnosis #differential