23 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
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
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Approach to Headaches ... - Differential Diagnosis ... thunderclap) of worst headache ... arteritis • Acute ... MatthewHoMD #Headache
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
C" (common for causes ... N Neurological signs ... confusion, focal signs ... Secondary #Comparison #Neurology ... #Diagnosis
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
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... bite • Fever, headache ... ), cough (30% cases ... Anaplasma #Infection #diagnosis
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
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
share the same pathophysiology ... • Other rare causes ... Pressure: • Headache ... Overproduction #diagnosis ... #signs #symptoms
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... Pregnancy (AFLP) Pathophysiology ... = nonspecific (nausea ... abdominal pain, headache ... , malaise) → Acute