21 results
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Thrombocytopenia - Differential ... infiltration: malignancy, infection ... - Autoimmune: SLE ... valve replacement, endocarditis ... Diagnosis #Framework #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Associated - SLE ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Autoimmune • ITP • SLE ... Vasculitis • Infection ... Thrombocytopenia #Differential ... Algorithm #Causes #Hematology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... See charts - ... #Infective #Endocarditis ... #diagnosis #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... Subacute bacterial endocarditis ... fever - Bacterial endocarditis ... #joint #pain #differential ... #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... • Bacterial endocarditis ... aureus • Gram-negative ... arthritis • SLE ... Symmetrical: • RA • SLE
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Secondary: CTD: SLE ... related vasculitis, infections ... Vasculitis #skin #dermatology ... #rheumatology #
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Parenchyma: • Infection ... Kaposi's sarcoma • Rheumatologic ... Goodpasture's, SLE ... regurgitation, Tricuspid endocarditis
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Antineoplastic Viral Infection ... Bacteria • Gram Negative ... #Neutropenia #Differential ... Algorithm #Causes #Hematology