42 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... ) • Systemic symptoms ... and signs (e.g. ... arteritis • Acute ... #Algorithm #neurology
Causes of Secondary Headaches (without Red Flag Symptoms) - Differential Diagnosis Algorithm
Acute
 • Sinusitis
 • Dental
Causes of Secondary ... Red Flag Symptoms ... Algorithm Acute ... #Neurology #Differential ... #Causes
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... - Autonomic symptoms ... meningeal irritation signs ... : - Acute angle-closure ... #differential #diagnosis
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... stroke • Severe nausea ... #signs #symptoms ... #clues #differential ... #diagnosis
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... and symptoms: ... bite • Fever, headache ... Anaplasma #Infection #diagnosis
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... varying neurologic signs ... #differential #diagnosis ... #neurology
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
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
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
symptom of something ... C" (common for causes ... N Neurological signs ... Primary #Secondary #Comparison ... #Neurology #Diagnosis
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... postpartum): • Initial symptoms ... = nonspecific (nausea ... abdominal pain, headache ... , malaise) → Acute