8 results
Etiology of Splenic Infarction:
 • Hypercoagulability: Factor V Leiden, Antiphospholipid syndrome, Malignancy
 • Embolic disease: Atrial
Factor V Leiden, Antiphospholipid ... • Embolic disease ... fibrillation, PFO, Infective ... Infarction #spleen #differential ... #diagnosis #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- PNH - APLS ... CAUSES OF PALPABLE ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology #
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Diagnosis Framework ... • Nephrotic Syndrome ... Malignancy - Antiphospholipid ... antibodies (APLS ... coagulation and other causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Schonlein Purpura - Endocarditis ... Rash: - ITP - APLS ... - Cholesterol embolism ... deficiency Work
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... infiltration: malignancy, infection ... Autoimmune: SLE, RA, antiphospholipid ... syndrome - Pregnancy ... valve replacement, endocarditis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... syndrome • Vasculitis ... • Cholesterol emboli ... #skin #rashes #differential ... #diagnosis #rheumatology
Causes of Renal Infarction - Differential Diagnosis
Thrombosis: Spontaneous
 • Atherosclerotic disease of aorta and renal artery
Causes of Renal ... Infarction - Differential ... Diagnosis Thrombosis ... heart disease, Infective ... Diagnosis
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Endocarditis (BCNIE ... but important causes ... rheumatoid factor, antiphospholipid ... syndrome • Valve ... diagnosis #differential