14 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... Diagnosis #Causes #Workup ... #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... improves quickly with rest ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Diseases • Septic arthritis ... of Inflammatory Arthritis ... #laboratory #workup ... diagnosis #testing #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
juvenile idiopathic arthritis ... juvenile idiopathic arthritis ... leukopenia, anemia, and thrombocytopenia ... Liver function tests ... Diagnosis #Management #Hematology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Lyme), reactive arthritis ... SLE, psoriatic arthritis ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
for Thrombotic Thrombocytopenic ... value is low, tests ... indirect antiglobulin tests ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
Eichhoff's Test ... stabilizes forearm and ulnar ... Positive test = ... physicalexam #sports #msk ... #orthopedics #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemostasis: - Thrombocytopenia ... deficiency Work ... Fecal occult blood test ... Algorithm #Causes #dermatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
adults in the west ... Neutropenia, anemia, thrombocytopenia ... Leukemia #diagnosis #workup ... #oncology #hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Better call hematology ... you’ll do a good workup ... Best to have an ... Diagnosis #Algorithm #workup ... #hematology