28 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... oscillopsia) • Otitis Media ... symptoms/signs, ... nystagmus - Infection ... Cerebellar / Brainstem Abscess
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... aneurysm, bleed, abscess ... #headache #signs ... #differential #diagnosis
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
Chronic Otitis Media ... hearing loss, nausea ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Causes: • Large ... epidural hematoma • Infection ... (abscess, etc) ... #MSK #pathophysiology ... #diagnosis #symptoms
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner syndrome ... lyme • Altered mental ... lesion • CNS infection ... #Algorithm #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Most common cause ... Pathophysiology ... • Vasculitis (e.g
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 ... #table
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... hypertension and signs ... renal bruit or signs ... Neurologic disorders
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... encephalitis, abscess ... vasoconstriction syndrome ... headache #redflags #signs ... differential #emergency #diagnosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Etiology: • Pathophysiology ... : • Infection, ... the underlying cause ... #neurology