44 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner syndrome ... ) • Systemic symptoms ... , fever, myalgia ... Diagnosis #Algorithm #neurology
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... infection Cardinal Symptoms ... localizing signs ... or symptoms - Malaria ... melioidosis, typhoid, pulmonary
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
Reconstitution Inflammatory Syndrome ... symptoms, fever ... , fever, focal neurological ... Meningitis: • Fever ... Tuberculosis #diagnosis #differential
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Constitutional: Fever ... polyarthritis • Pulmonary ... exertion • Neurologic ... Sarcoidosis #Diagnosis #Symptoms ... #Signs #Pulmonary
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... • Fever - Febrile ... #signs #symptoms ... #clues #differential
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
myalgia, arthralgia, headache ... , fever (not common ... • Heralded by neurologic ... Disease #diagnosis #signs ... #symptoms
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Coltivirus Symptoms ... • Fever • Nuchal ... influenzae Symptoms ... Acute meningeal signs ... (fever, nuchal
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Cough, Dyspnea, Fever ... symptomatology Differential ... #differential # ... diagnosis #nephrology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... CNS infection: fever ... thrombophilia, neurologic ... signs/symptoms ... Dangerous #Deadly #Differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
(Wallenberg's syndrome ... Syndrome usually ... signs or symptoms ... Vertigo #Causes #differential ... #diagnosis #neurology