15 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner syndrome ... ) • Systemic symptoms ... brain lesion • CNS ... arteritis • Acute
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... movement deficits (CN ... #signs #symptoms ... #clues #differential
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... - Autonomic symptoms ... : - Acute angle-closure ... • CNS Vasculitis ... #differential #
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
Visual or auditory symptoms ... conjunction with symptoms ... nervous system (CNS ... • Acute disseminated ... #differential #
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes of Headache ... with the same symptoms ... vasoconstriction syndrome ... redflags #signs #symptoms ... #differential #
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Unilateral Mydriasis: CN ... herniation (Comatose), Acute ... pupil, Migraine Headache ... Miosis: Horner's syndrome
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine • MCC- acute ... spine L1-L5 Symptoms ... (CES) is usually ... decompression #CaudaEquina ... #differential #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
basal ganglia, CNS ... symptoms (headache ... Behcet disease) Differential ... #diagnosis #management ... #signs #symptoms
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Compensation, Acute ... D-lactate (short bowel syndrome ... acidosis: - CNS ... Diagnosis #Summary #Nephrology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Neurological symptoms ... : Acute onset 2 ... Reversible course Differential ... #diagnosis #management ... #neurology