20 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... test (posterior ... No auditory symptoms ... Long symptom-free ... Vertigo #Algorithm #differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... Risks factor for HIV ... plateletcount), peripheral ... (GI symptoms/endemic ... (CVID, WAS), (neurologic
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... Infiltrative disorders, HIV ... Extravascular deposition ... metastases, Hungry bone syndrome
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
pp65 antigenemia test ... inclusions or positive ... 50 or less: • Neurologic ... Polyradiculopathy, Peripheral ... AIDS #diagnosis #differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... (Wallenberg's syndrome ... Positional symptoms ... Syndrome usually ... Vertigo #Causes #differential
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Diagnosis and Workup ... Summary Use a positive ... Rome IV Criteria ... last 3 months + symptom ... risk • Routine colonoscopy
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Hematuria, Hemoptysis, Peripheral ... : - ANCA-positive ... , biopsy By Tess ... #differential # ... diagnosis #nephrology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... conditions (supine position ... • Cushing’s syndrome ... #Hypertension #Differential ... Causes #Screening #Workup
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
encephalitis, West ... (bulbar symptoms ... Miller-Fisher GBS; Positive ... Rhombencephalitis #Differential ... Diagnosis #Causes #Neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... cord infarct • HIV ... • Provocative Tests ... #differential # ... diagnosis #causes #neurology