13 results
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 ... Cerebellar / Brainstem Abscess
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... : Serial negative ... in up to 30% of cases ... common, Aortic root abscess ... Marantic #diagnosis #table
Major Brain Complications of Endocarditis
Abscess:
 • May be macro or micro and occur at site of
Abscess: • May ... • Arise from infective ... with devastating SAH ... Ischemic stroke caused ... #neurological #neurology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
Chronic Otitis Media ... resolution of infection ... hearing loss, nausea ... #Mastoiditis #pathophysiology ... #signs #symptoms
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Pathophysiology ... • Vasculitis (e.g ... #differential #causes
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Endocarditis (BCNIE ... requires special media ... but important causes ... special stains (e.g ... #Endocarditis #
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... encephalitis, abscess ... of sinus or ear infection ... parasitic or fungal infection ... headache #redflags #signs
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Etiology: • Pathophysiology ... Diagnosis: • Infection ... the underlying cause ... with AEDs until cause
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... - Causes progressive ... failure Diagnosis - Medical ... EMG: LMN Signs in ... Lateral #Sclerosis #neurology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... Involves large and medium ... systemic sx + signs ... vasculitis vs infection ... GCA #Temporal #Signs