5937 results
Antiphospholipid Syndrome (APS)
APS is a rare autoimmune disorder characterized by recurring blood clots resulting from antibodies
Antiphospholipid antibodies (aPL ... antibodies is unknown Diagnosis ... 1 of the three aPLs ... patients to be diagnosed ... #diagnosis #management
Antiphospholipid Syndrome (Hughes' Syndrome) 
Antiphospholipid syndrome - an autoimmune condition where the affected individual produces antibodies
Hughes #Syndrome #APLS ... Signs #Symptoms #Diagnosis
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
- Differential Diagnosis ... Vasculopathy - HyperC: APLS ... #Differential #Diagnosis
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... • Catastrophic APLS ... #differential #diagnosis
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Incidence: common in APL ... opacities • Diagnosis ... • Differential Diagnosis ... unless severe APLS ... Syndrome #APML #diagnosis
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Differential Diagnosis ... Hyperviscosity, TTP, APLS ... Antiphospholipid antibodies (APLS ... #differential #diagnosis
Raynaud Phenomenon Differential Diagnosis:

Rheumatologic

 - MCC systemic sclerosis, RA, SLE, Sjogren syndrome, Antisynthetase syndrome, MCTD
Heme

 -
Phenomenon Differential Diagnosis ... Hypercoagulable state (eg APLA ... - Frostbite #Diagnosis
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... SLE • CLL • APLA ... #Differential #Diagnosis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Erythematosus - Diagnosis ... Anti-cardiolipin (aPL ... - Anti-B2GP1 (aPL ... Differential Diagnosis ... Erythematosus #Diagnosis
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
She was diagnosed ... promyelocytic leukemia (APL ... In addition to APL ... Rods #AuerRods #APL