107 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... PT, aPTT(liver disease ... K), H. pylori test ... thyroid function test ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac disease ... effect following treatment ... Diagnosis #Algorithm #Causes ... #Hematology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
for Celiac Disease ... patients with celiac disease ... value for celiac disease ... Reflects response to treatment ... #Diagnosis #Workup
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... #Differential #Causes ... #Workup #Hematology ... GrepMed Recommended Text
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
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal parenchymal disease ... Renal ultrasound, Tests ... of renal disease ... • Renovascular disease ... #Screening #Workup
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... • Nonmalignant hematologic ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... for secondary causes ... glucocorticoid treatment ... Differential #diagnosis #hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Studies in Rheumatic Diseases ... connective-tissue disease ... #Rheumatic #Disease ... Arthritis #laboratory #workup
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
Romberg's Test for ... Observe when patient closes ... • Cerebellar disease ... Unilateral vestibular disease ... proprioception #physicalexam