18 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... ) • Systemic symptoms ... and signs (e.g. ... lesion • CNS infection ... #neurology #PHANTOMS
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... poisoning • Mental ... vasoconstriction syndrome ... vasoconstriction syndrome ... #signs #symptoms
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... oscillopsia) • Otitis Media ... symptoms/signs, ... nystagmus - Infection ... #Causes
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 ... N Neurological signs
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... history of viral infection ... (Wallenberg's syndrome ... Syndrome usually ... signs or symptoms
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... with the same symptoms ... of sinus or ear infection ... vasoconstriction syndrome ... #redflags #signs
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... incidentally during medical ... for secondary causes ... organ-specific signs ... or symptoms (eg
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
Enteroviruses (e.g ... Coltivirus Symptoms ... influenzae Symptoms ... Acute meningeal signs ... differential #diagnosis #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
Reconstitution Inflammatory Syndrome ... • Papilledema, headache ... • Caused by immune ... and not direct infection ... due to increased CSF