19 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... vomiting, auditory symptoms ... • Meniere's Disease ... symptoms/signs, ... #Neurology #Differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Méniére's disease ... Disease onset usually ... signs or symptoms ... #Causes #differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... No auditory symptoms ... test Méniére's disease ... Long symptom-free ... #Algorithm #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... respiratory drive due to neurologic ... Interstitial lung diseases ... reversible diffusion defects ... ventricular septal defects
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
tinnitus (Méniére's disease ... with vascular causes ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... lymphadenopathy, pulmonary ... • Caused by immune ... Tuberculosis #diagnosis #differential ... #TB #neurology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Abnormal Abdominal Ultrasound ... Cyanosis without Pulmonary ... Chronic Chest Symptoms
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... mainly AQP4-lgG disease ... Motor and sensory deficits ... Manifestations #diagnosis #neurology ... #symptoms #signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... claudication, pulse deficits ... • Progressive symptoms ... deficits, TIA and ... tract, and often causes
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
50 or less: • Neurologic ... Retinitis (Most common cause ... Pancreatitis • Pulmonary ... AIDS #diagnosis #differential ... #signs #symptoms