3202 results
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Constitutional: Fever ... exertion • Neurologic ... Diagnosis #Symptoms #Signs
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... Systemic symptoms and signs ... (e.g., fever, myalgia ... Diagnosis #Algorithm #neurology
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
arthralgia, headache, fever ... • Heralded by neurologic ... Remitting, chronic • Neurologic ... Disease #diagnosis #signs
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
sensory symptoms or signs ... dysfunction, Absence of fever ... nervous system signs ... diagnosis #criteria #neurology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
CNS infection: fever ... thrombophilia, neurologic ... signs/symptoms
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Actively maintained fever ... hyperthermia crisis (late sign ... Phaeochromocytoma Neurologic
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Headache • Fever ... Acute meningeal signs ... (fever, nuchal ... culture or by serology ... differential #diagnosis #neurology
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Faget Sign - Pulse-Temperature ... Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... 30048576/ #Faget #Sign
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Faget's Sign & Liebermeister's ... • Typhoid Fever ... • Drug Fever ... Typhoid Fever (S ... #Fagets #Sign #Pulse
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Fevers ... purpura: Strong sign ... and branches • Fever ... affects the skin, neurologic ... cognitive impairment, neurologic