34 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... for specific symptoms ... 1,500 cells/µL Workup ... drug reaction, infection ... #Differential #diagnosis
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... mimics, repeat testing ... nephrolithiasis • Symptoms ... #Algorithm #Workup
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... • The goal of diagnosing ... microscopy • Testing ... used to exclude pulmonary ... #Diagnosis #Workup
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... of serum CrAg testing ... comparable to CSF testing ... #differential #diagnosis
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
dysfunction, muscle wasting ... lymphadenopathy, pulmonary ... Children with pulmonary ... and not direct infection ... #Tuberculosis #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... allopurinol), Infection ... Disease-specific testing ... DAH, rule out infection ... #nephrology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
acute respiratory symptoms ... symptoms • Pericarditis ... by culture or serology ... Urinary antigen testing ... : • Serology for
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
calcinosis • Pulmonary ... disease), PAH (pulmonary ... #rheumatology #diagnosis ... #signs #symptoms ... #testing #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... procedures - Infection ... smear, HIV/HCV testing ... pylori test (GI symptoms ... (CVID, WAS), (neurologic
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... with significant neurologic ... attacks with varying neurologic ... #differential #diagnosis ... #neurology