20 results
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Asthma - COPD ... HTN - Vasculitis ... Hepatopulmonary syndrome ... Transverse myelitis • Hematology ... #diagnosis #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
PURPURA: Vasculitis ... • Ig A vasculitis ... HCV, HBV Not Vasculitis ... #Diagnosis #hematology ... #rheumatology #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... erythematosus (SLE ... #Diagnosis #rheumatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Diagnosis Algorithm ... • Steroids • Vasculitis ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential ... Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... #Causes #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... , and SLE) • Urinalysis ... differential #diagnosis ... #rheumatology # ... classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• IgA vasculitis ... Hypersensitivity vasculitis ... • Vasculitis ... #rheumatology # ... vasculitis
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
in 24h Airway disease ... carcinoid, Mets), COPD ... Autoimmune: ANCA-Assoc vasculitis ... #Diagnosis #pulmonary ... #causes
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... an underlying cause ... : neuro, heme (bleeding ... Better call hematology ... #workup #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... ): SS, SC, SE, Sβ ... Agglutination - Cold ... cardiac valve, vasculitis ... #workup #hematology