9 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - PNH - APLS ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology #
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
RA, Sjogren's), antiphospholipid ... syndrome, atheroembolic ... subacute bacterial endocarditis ... Mnemonic #diagnosis #differential ... #hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Thrombocytopenia - Differential ... Autoimmune: SLE, RA, antiphospholipid ... syndrome - Pregnancy ... valve replacement, endocarditis ... Diagnosis #Framework #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... reticularis • Antiphospholipid-antibody ... syndrome • Vasculitis ... #skin #rashes #differential ... #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Schonlein Purpura - Endocarditis ... Rash: - ITP - APLS ... deficiency Work ... Petechiae #Rash #Differential
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
• Nephrotic Syndrome ... Malignancy - Antiphospholipid ... antibodies (APLS ... pathophysiology #hematology ... #differential #
Antiphospholipid Syndrome (APLS) Testing - Hypercoagulable Workup Algorithm
INDICATIONS FOR TESTING:
 • Vascular thrombosis
Antiphospholipid ... Syndrome (APLS) ... Hypercoagulable Workup ... #Antiphospholipid ... #diagnosis #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Subacute bacterial endocarditis ... • Chorea - Antiphospholipid-antibody ... fever - Bacterial endocarditis ... #joint #pain #differential ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... • Libman-Sacks endocarditis ... Erythematosus #Diagnosis #Rheumatology