31 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
joint trauma (e.g ... derangements (e.g ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
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
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
- Differential Diagnosis ... Iron Deficiency (Eg ... Other • e.g ... HgbE, HgbC, etc. ... Algorithm #Causes #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... signs or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
test Most Common Clinical ... skin lesions (e.g ... Ocular disease (e.g ... vasculitis) • Arthritis ... Vascular lesions (e.g
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
ANTI-MDA5 DERMATOMYOSITIS ... auricular papules Clinical ... • Arthralgia/arthritis ... #rheumatology # ... dermatology #diagnosis
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... vision changes, etc ... them, but urgent rheumatology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... of substrate (e.g ... Anemia #Algorithm #Diagnosis ... #Workup #Hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
DIC is a clinical ... and laboratory diagnosis ... count, D-dimer, egg ... hemolytic #anemia #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... function test, ANA (e.g ... #Causes #Workup ... #hematology