12 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... function test, ANA (e.g ... #Differential # ... #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... signs or symptoms (eg ... #Algorithm #Differential ... #diagnosis #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint Pain ... History: Is the pain ... #MSK #rheumatology ... #approach #workup ... #differential #
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Liver disease, Etc ... Unstable hemoglobin disorders ... RBC #Morphology #differential ... #diagnosis #hematology
Indications for Serum Protein Electrophoresis (SPEP)
 • Suspected multiple myeloma, Waldenström's macroglobulinemia, primary amyloidosis, or related
amyloidosis, or related disorder ... chemotherapy, etc ... • Back pain in ... possible malignancy (e.g ... Electrophoresis #SPEP #Hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... Mechanical/degenerative disorders ... Gonococcal/Lyme etc ... #Differential # ... Diagnosis #MSK #rheumatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
chronic inflammatory disorder ... Autoinflammatory disorder ... lesions + Rheumatic pain ... Tetracyclines etc ... SAPHO #Syndrome #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 ... . hematologic) ... Arthritis: • Joint pain ... Erythematosus #Diagnosis #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... metabolic or endocrine disorders ... , and low back pain ... Arthritis #laboratory #workup ... diagnosis #testing #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
very remarkable w/differential ... vision changes, etc ... claudication: pain ... chews, not just pain ... them, but urgent rheumatology