10 results
Causes of Primary Headaches - Differential Diagnosis Algorithm
Unilateral
 • Migraine (Throbbing/Pulsating)
Bilateral
 • Tension/Stress Headache (Tightening, Band-Like,
Headaches - Differential ... Throbbing/Pulsating) Bilateral ... HeadachePrimary ... #Primary #Headaches ... #Neurology #Differential
Differential Diagnosis of Headache - Table

 - Cluster headache
 - Migraine
 - Paroxysmal hemicrania
 - Short-lasting
Differential Diagnosis ... of Headache - Table ... hemicrania - Short-lasting ... unilateral neuralgiform ... #Primary #Differential
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Primary and Secondary ... Flags and Differential ... Systemic N - Neurologic ... #diagnosis #differential ... #causes #primary
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... Primary headaches ... #differential # ... diagnosis #ophthalmology ... #Neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Symptoms: • Headache ... or bilateral. ... can present with primarily ... #diagnosis #neurology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Floaters - Differential ... Patients As: • Black spots ... the vision • Spots ... with onset of a headache ... Diagnosis #Ocular #ophthalmology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... polychondritis - Relapsing, bilateral ... following symptoms: headache ... vision or black spots ... the tragus to differentiate
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Amyotrophic Lateral ... sclerosis Pathophysiology ... (3) primary lateral ... conditions listed in differential ... #Sclerosis #neurology
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
Pachymeningitis - Differential ... vision changes, headaches ... hypotension - Primary ... Pachymeningitis #HP #Neurology ... #differential #
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... yeast • Found primarily ... by culture or serology ... Inhalation of spores ... Aspergillosis Pathophysiology