19 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... brain lesion • CNS ... Diagnosis #Algorithm #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... Bone Fracture Central ... symptoms/signs, ... Dizziness #Vertigo #Neurology ... #Differential #
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Coltivirus Symptoms ... Acute meningeal signs ... culture or by serology ... #diagnosis #neurology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
hypertension - CNS ... head in dependent position ... thrombophilia, neurologic ... signs/symptoms ... Dangerous #Deadly #Differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... headache, altered mental ... and <25% culture positive ... #Infections #differential ... InfectiousDiseases #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... labyrinthitis) CENTRAL ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... signs or symptoms ... Vertigo #Causes #differential ... #diagnosis #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
pain • Extra-CNS ... complications (AQP4-positive ... Manifestations #diagnosis #neurology ... #symptoms #signs
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... lesions of the central ... Lack of UMN/LMN signs ... aminotransferases • Serology ... #Diagnosis #neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... Hypertension with normal ... #headache #signs ... #symptoms #clues ... #differential #