9 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Diagnosis Algorithm ... arteritis • Acute ... #Differential # ... #neurology #PHANTOMS
Causes of Secondary Headaches (without Red Flag Symptoms) - Differential Diagnosis Algorithm
Acute
 • Sinusitis
 • Dental
Diagnosis Algorithm ... Acute • Sinusitis ... Brain Injury • Acute ... Mountain Sickness Chronic ... #Neurology #Differential
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... without aura - Chronic ... meningeal irritation signs ... : - Acute angle-closure ... ophthalmology #Neurology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Decreased renal ... excretion • Acute ... renal failure • Chronic ... #nephrology #potassium ... #differential
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Diagnosis Algorithm ... Excretion: • Decreased ... GI Absorption: Chronic ... Refeeding Syndrome, Acute ... #nephrology #phosphorus
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
debilitation with decreased ... ) - Previous chronic ... meningitis - Previous chronic ... #redflags #signs ... #symptoms #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
coagulopathy, decreased ... or at work) - acute ... thrombophilia, neurologic ... signs/symptoms ... Dangerous #Deadly #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... /L) • Mildly decreased ... Symptoms: • Acute ... meningeal signs ... #diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... artery tenderness - decreased ... affects the skin, neurologic ... Eosinophilia, asthma, chronic