19 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... plateletcount), peripheral blood ... testing - Lab ... #Causes #Workup ... #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Peripheral blood ... evaluation or workup ... 1,500 cells/µL Workup ... #Differential #diagnosis ... #hematology #eosinophilia
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Like in this case ... - parvovirus, HIV ... #rheumatology # ... approach #workup
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
: • 2 sets of blood ... the preferred test ... an accessible joint ... typically part of the workup ... for HIV, Chlamydia
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... : HIV test, a rubella ... : • Complete blood ... #diagnosis #testing ... #Rheumatology
Approach to Joint Pain

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

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... spine, shoulders, hips ... weeks) Can Be Caused ... #Differential #Diagnosis ... #MSK #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... Mycoplasma, EBV, HIV ... sensitize red blood ... test #cold # ... hemolytic #anemia #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity is the diagnostic ... value is low, tests ... of Peripheral blood ... indirect antiglobulin tests ... #Workup #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... ITP - APLS - HIT ... deficiency Work ... test • Serology