26 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
disorders: • Chronic ... infections • ... disorders of Liver & Lung ... #laboratory #differential ... #diagnosis
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
Diagnostic approach ... Chest X-ray - Lung ... ultrasound (thorough ... - CBC with differential ... as clinically indicated
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Diagnosis Algorithm ... Infection • ... Lung, Bladder, Colon ... Myeloproliferative Disorder • Chronic ... #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
approximately how long ... (e.g. cancer, infection ... G6PD deficiency), Infections ... #anemia #differential ... #diagnosis #calculation
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... cough, SOB • Chronic ... , CNS, skin • Infectious ... Diseases #pulmonary #differential ... #diagnosis #comparison
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Autoimmunity • Chronic ... lung disease ... lymphocytic interstitial lung ... Malignancies • Chronic
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... interstitial diffuse infections ... NOT definitively diagnose ... #POCUS #clinical ... #ultrasound
Causes of Night Sweats - Differential Diagnosis
 • Malignancy: Lymphoma, Leukemia, Other neoplasm
 • Infections: Human
Night Sweats - Differential ... Diagnosis • Malignancy ... coccidioidomycosis), Lung ... Orchiectomy • Rheumatologic ... #Diagnosis #Causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic ... cancers, including lung ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Immunocompromised status • Chronic ... encounters due to NTM: Chronic ... lung infections ... • Clinical (Symptoms ... #differential #