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

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

Why?
• The coexistence of photophobia and headache suggests the potential
Photophobia and Headache ... - Differential ... - Autonomic symptoms ... meningeal irritation signs ... : - Acute angle-closure
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... With Different Headache ... thrombosis • Acute ... #signs #symptoms ... #clues #differential
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... postpartum): • Initial symptoms ... abdominal pain, headache ... , malaise) → Acute ... infiltration) Differential
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes of Headache ... system function - Acute ... infection Glaucoma—acute ... of life" - Acute ... #symptoms #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... or at work) - acute ... thrombophilia, neurologic signs ... #Diagnosis #Headache ... Dangerous #Deadly #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
: • Headache ... features include - Headache ... Meningitis: • Headache ... : • Acute meningeal ... signs (fever, nuchal