10 results
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
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... hemolytic-uremic syndrome ... (ST-HUS) - Complement-mediated ... • Catastrophic APLS ... #diagnosis #hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
- Autoimmune: SLE ... , RA, antiphospholipid ... syndrome - Pregnancy ... valve replacement, endocarditis ... Diagnosis #Framework #hematology
Purpura - Differential Diagnosis Framework

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

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
reticularis • Antiphospholipid-antibody ... syndrome • Vasculitis ... 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 ... • CLL • APLA ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Extra-articular and Other Conditions Associated with Joint Pain

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

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... • Libman-Sacks endocarditis ... Erythematosus #Diagnosis #Rheumatology
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