14 results
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Méniére's disease ... Long symptom-free ... (Wallenberg's syndrome ... Syndrome usually ... Vertigo #Causes #differential
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... the following symptoms ... : headache, malaise ... subdural hematoma, lung ... • Associated symptoms
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... : Atelectasis, ARDS ... Mismatch: Pulmonary Edema ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
AIDS-defining illnesses
 - Candidiasis of the esophagus, bronchi, trachea, or lungs [(but NOT the mouth (thrush)]
bronchi, trachea, or lungs ... (thrush)] - Cervical ... Cytomegalovirus disease ... brain - Wasting syndrome ... Diagnosis #List #Differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... mental status • Headache ... Shock, Autoimmune disease ... Neurological symptoms ... Reversible course Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
meningitis), MCC CNS symptoms ... (headache and diplopia ... ) Differential Diagnosis ... Reactive arthritis,ervical ... management #signs #symptoms
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Infection in HIV / AIDS ... - Differential ... Demyelinating disease ... CNS #Infections #differential ... #diagnosis #AIDS
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... Constitutional symptoms ... Infections #HIV #AIDS
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... Reconstitution Inflammatory Syndrome ... later stage) • Headache ... • Papilledema, headache ... Tuberculosis #diagnosis #differential
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential ... acute cardiac disease ... respiratory distress syndrome ... (ARDS) • Opioid ... Transfusion-related acute lung