14 results
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
• Provoked (e.g ... - No other workup ... Hypercoagulable #Workup ... #hematology #diagnosis ... #algorithm #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Disease, PRES Pathophysiology ... Lumbar Puncture, EEG ... Erythematosus #SLE #CNS ... #neurology #rheumatology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
factor activity (e.g ... clotting test (e.g ... Study #diagnosis #hematology ... #pathophysiology ... #hematology #laboratory
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
joint trauma (e.g ... subchondral bone (e.g ... derangements (e.g ... Joint #Pain #MSK #rheumatology ... #approach #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Workup History ... function test, ANA (e.g ... or if a primary hematologic ... Diagnosis #Causes #Workup ... #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
of substrate (e.g ... iron), low EPO, and ... Algorithm #Diagnosis #Workup ... #Hematology #Microcytic
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
nervous system (CNS ... underlying disease (eg ... • Infection (eg ... Diagnosis #Management #Hematology ... #Rheumatology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... immature blasts and ... Lysis Syndrome: • Pathophysiology ... unless worrisome EKG ... diagnosis #management #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Malignancy (e.g ... . hematologic) ... Endocrine disorders (e.g ... and CNS • Headache ... Erythematosus #Diagnosis #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... inflammatory disease (e.g ... Chemistry profile (e.g ... Arthritis #laboratory #workup ... diagnosis #testing #Rheumatology