19 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Approach to Headaches ... artery tenderness, triggered ... ) • Systemic symptoms ... lesion • CNS infection ... Diagnosis #Algorithm #neurology
Migraine with Aura
Diagnostic Criteria (ICHD-3):
A) At least 2 attacks fulfilling criteria B and C:
B) One or
Aura Diagnostic Criteria ... attacks fulfilling criteria ... 60 minutes, by headache ... Aura #diagnosis #criteria ... #neurology #headache
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... with significant neurologic ... 24% always had headache ... attacks with varying neurologic ... differential #diagnosis #neurology
Stages of Migraine
 • Prodromal or Premonitory Phase (1-2 days): Fatigue, Yawning, Food cravings, Pallor, Nausea,
Brainstem → • Headache ... fulfilling the migraine criteria ... days/weeks): No symptoms ... Stages #diagnosis #neurology ... #headache #ICHD3
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
: Fever, headache ... : Fever, headache ... status, and focal neurologic ... : Headache, vomiting ... InfectiousDiseases #Neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
Worsening of previous neurologic ... later stage) • Headache ... • Papilledema, headache ... and not direct infection ... differential #TB #neurology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... family history, PCKD ... shoulder girdle symptoms ... thrombophilia, neurologic ... signs/symptoms
However, a probable diagnosis of CJD may be made through a combination of symptoms and testing,
probable diagnosis of CJD ... combination of symptoms ... WHO diagnostic criteria ... #Diagnosis #Neurology ... #Criteria #WHO
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
NINDS Diagnostic Criteria ... , Mild sensory symptoms ... Recent diphtheritic infection ... Syndrome #diagnosis #criteria ... #neurology #neuropathy
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Coltivirus Symptoms ... influenzae Symptoms ... rav7ks #CNS #Infections ... differential #diagnosis #neurology