49 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
smear, HIV/HCV testing ... K), H. pylori test ... thyroid function test ... or if a primary hematologic ... #Workup #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders Testing ... INDICATIONS FOR TESTING ... for secondary causes ... eosinophilia (common causes ... Differential #diagnosis #hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... #Differential #Causes ... #Workup #Hematology ... GrepMed Recommended Text
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... Palsy This tests ... grip weakness caused ... ulnar nerve palsy, testing ... #physicalexam #msk
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... - CCP antibody testing ... and C serology testing ... workup #diagnosis #testing ... #Rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... vertigo Diagnostic tests ... - Ice cube test ... , TempTest test ... Urticaria #diagnosis #rheumatology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
if < 200ng/mL Best ... suspected) • In case ... • Special cases ... Measurement #SLE #rheumatology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Liver Function Tests ... Liver Function Tests ... Diagnosis #Algorithm #Causes ... #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 ... trauma (e.g., meniscal ... #Joint #Pain #MSK ... #rheumatology #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Ligamentous injuries - Meniscal ... Effusions: - Hematologic ... Knee #Effusions #causes ... differential #diagnosis #msk