9 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... #Workup #hematology
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 - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Like in this case ... - parvovirus, HIV ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... deficiency Work ... Fecal occult blood test ... • Abdominal ultrasound
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Spot PC (protein ... C3, C4 - Test for ... infections are common causes ... glomerular #testing #workup ... nephrotic #nephritic #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... often causes arthritis ... retinopathy Lab Tests ... Cryoglobulins • HIV ... #diagnosis #rheumatology
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
Spot PC (protein ... . 5) C3, C4 - Test ... infections are common causes ... glomerular #disease #workup ... initial #testing #nephrology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... infections (acute HIV ... (RA, Temporal arteritis ... immunofixation and ... Gap #ProteinGap #differential
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Diagnostic Tests ... weakness + atrophy- Hip ... • Nonerosive arthritis ... • Mechanic's hands ... statins - probably caused