12 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... /HCV testing - ... #Differential # ... #hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... : HIV test, a rubella ... metabolic or endocrine disorders ... #laboratory #workup ... #Rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... e.g., congenital hip ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... spine, shoulders, hips ... Mechanical/degenerative disorders ... - Autoimmune Rheumatologic ... Joint #pain #Differential
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... Spot PC (protein ... C3, C4 - Test for ... #glomerular #testing ... #workup #diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... Mycoplasma, EBV, HIV ... younger pts) Differential ... • Diagnostic Test ... Donath-Landsteiner test
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... Spot PC (protein ... . 5) C3, C4 - Test ... glomerular #disease #workup ... diagnosis #initial #testing
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... pain • Swan neck/Ulnar ... • Malar rash - spares ... Erythematosus #Diagnosis #Rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Vasculitis - Collagen disorders ... deficiency Work ... Fecal occult blood test ... • Abdominal ultrasound
Polymyalgia Rheumatica (PMR) Diagnosis and Management Summary

WHAT?
 • Polymyalgia rheumatica (PMR) is a common systemic inflammatory
hips ... for giant cell arteritis ... can help differentiate ... universally used, ultrasound ... Diagnosis #Management #Rheumatology