13 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... ) • Systemic symptoms ... and signs (e.g. ... brain lesion • CNS ... infection (e.g.
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
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
associated with infection ... the following symptoms ... : headache, malaise ... gland tumor Clues ... • Associated symptoms
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
symptom of something ... C" (common for causes ... aneurysm) • Infection ... : • SAH (Thunderclap ... claudication + ESR
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... of Headache: ... thrombophilia, neurologic ... signs/symptoms ... : ear, sinus, dental
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... History of sinus or ear ... infection or recent ... vasoconstriction syndrome ... #redflags #signs
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
, r/o infection ... recent DAN) • EMG ... /NCS for mononeuritis ... or serologies + symptoms ... Goodpasture's cause
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... Infection or cancer ... disruption ○ Otitis media ... cause unknown) ... II ○ Susac’s syndrome
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... status • Headache ... may precede the neurologic ... Neurological symptoms ... the underlying cause
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... Coltivirus Symptoms ... Acute meningeal signs ... differential #diagnosis #neurology