11 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
(Erythrocytosis ... positive Family History ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... #Hematology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung diseases ... CTILD #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology ... #Associations
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - ... Polycythemia - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking ... Diagnosis #Algorithm #hematology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
microscopy and serial ... Lymphoproliferative Disorders, Infection ... , Interstitial Pulmonary ... ANA #patterns #rheumatology ... #diagnosis #differential
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Malignancy • Infections ... thrombophlebitis, pulmonary ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Illnesses: • Pulmonary ... Hematologic malignancy ... History of immunosuppressive ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... tract, and often causes ... + MPO-ANCA MEDIUM ... to exclude are infections ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... primary condition MEDIUM ... tract, and often causes ... #Diagnosis #Rheumatology
Clarkson’s Disease - Capillary leak syndrome
Epidemiology: Roughly 150 published cases, Median age 50 years, No sex
150 published cases ... , Median age 50 ... filling +++ (risk of pulmonary ... , treatment of infections ... timeline #treatment #rheumatology
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
worsening of that disease ... inflammation • Temporal association ... a few months (median ... Lymphadenitis, pulmonary ... lymphadenitis, pulmonary