32 results
Causes of Secondary Headaches (without Red Flag Symptoms) - Differential Diagnosis Algorithm
Acute
 • Sinusitis
 • Dental
Causes of Secondary ... Headaches (without ... Analgesic Induced Headache ... #Secondary #Headaches ... #Neurology #Differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Approach to Headaches ... papilledema • Horner syndrome ... thunderclap) of worst headache ... arteritis • Acute ... MatthewHoMD #Headache
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Photophobia and Headache ... - Differential Diagnosis ... photophobia and headache ... meningeal irritation signs ... : - Acute angle-closure
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
and Secondary Headaches ... P - Previous Headache ... change Migraine Headache ... visuals) Tension Headache ... days Cluster Headache
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
With Different Headache ... anemia, febrile headache ... Fever - Febrile headache ... post-traumatic headache ... ), IIH #headache
Post-Concussive Syndrome
Thinking/Remembering 
 • Difficulty thinking clearly 
 • Feeling slowed down 
 • Difficulty concentrating
Post-Concussive Syndrome ... Physical: • Headache ... • Nausea/vomiting ... #Concussion #Neurology ... #Diagnosis #Symptoms
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
occur during the headache ... 24% always had headache ... vertigo and 67% had headache ... occur during the headache-free ... varying neurologic signs
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
• Neurologic: Headaches ... Stroke • Renal: Acute ... Myocardial ischemia, Acute ... Extrapulmonary #Diagnosis ... #Signs #Symptoms
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... of Headache and ... usual or customary headache ... severe pain; "worst headache ... examination #headache
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... herniation (Comatose), Acute ... pupil, Migraine Headache ... Miosis: Horner's syndrome ... #differential #diagnosis