36 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
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
resolution of infection ... -> Petrositis (infection ... inflammation or infection ... #signs #symptoms ... #diagnosis #otology
Acute Otitis Media: Complications
Infection and inflammation of the middle ear
 - Prolonged obstruction of e. tube
Acute Otitis Media ... Complications Infection ... air cells - Infection ... Complications #pathophysiology ... #diagnosis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
incidentally during medical ... drug reaction, infection ... Strongyloides infection ... organ-specific signs ... #Differential #diagnosis
Acute Otitis Media: Pathogenesis and Clinical Findings (in Children)
Upper Respiratory Tract Infection: 
 - Bacterial: Streptococcus
Acute Otitis Media ... Respiratory Tract Infection ... bacteria into it, infecting ... febrile seizures, abscess ... #diagnosis #symptoms
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 ... common, Aortic root abscess ... large infarct - Infectious ... #table
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... lyme • Altered mental ... • Meningeal signs ... lesion • CNS infection ... #Algorithm #neurology
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... Manifestations: • Infection ... : Epidural abscess ... #causes #primarycare ... #table
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... epidural hematoma • Infection ... (abscess, etc) ... Syndrome #MSK #pathophysiology ... #diagnosis #symptoms