16 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... • Burns • Diarrhea ... Smoking, Snoring Chronic ... Sleep Apnea • Chronic ... Algorithm #Causes #Hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
life Causes and clinical ... abdominal pain, diarrhea ... , Chronic spontaneous ... urticaria, Chronic ... Urticaria #diagnosis #rheumatology
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 ... • Infectious diarrhea ... hypogammaglobulinemia #immunology #hematology
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... hypertension due to lung ... Interstitial lung ... multifactorial mechanisms Hematologic ... Classification #Diagnosis #Differential
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
approximately how long ... • Anemia of chronic ... kidney disease, ... Production #Index #hematology ... #anemia #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... Hematologic malignancy ... liver enzymes, diarrhea ... Disease: • Clinical ... NTM #Infections #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... with Lupus: • Chronic ... Erythematosus #Diagnosis #Rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... Behcet syndrome (Clinical ... ) Differential Diagnosis ... Recurrent and chronic ... signs #symptoms #rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Better call hematology ... , this list is long ... normal/high - Chronic ... Algorithm #workup #hematology
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
• A chronic, immune-mediated ... phlebitis - Chronic ... specific) COMMON CLINICAL ... proteinuria • Lungs ... Diagnosis #Management #Rheumatology