73 results
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... pick specific tests ... to sort out the ... much smaller differential
Tuberculous Pleural Effusions - Tests and Biomarkers
Age + fever + red blood cells + ADA -
Pleural Effusions - Tests ... and Biomarkers Age ... amplification test ... #Tuberculosis #Laboratory ... #Testing #diagnosis
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Urea breath test ... first line test ... flag symptoms: age ... #Laboratory #Diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Laboratory Diagnosis ... the preferred test ... testing of skin ... the workup • Test ... Most patients are
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
antibodies, which are ... - CCP antibody testing ... more time for the laboratory ... titer, ACE level ... Rheumatoid #Arthritis #laboratory
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... autoantibodies are ... ACTH and cortisol are ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing
Torsades de Pointes (TdP): Pathogenesis and Clinical Findings

Polymorphic ventricular tachycardia initiated by PVC in the setting
by PVC in the setting ... TdP #Diagnosis #pathophysiology ... #cardiology #causes ... #differential
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
liver function tests ... of liver blood tests ... diagnostic uncertainty are ... decision for repeat testing ... Liver #Enzymes #Differential
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
• mouthwash, short-chain ... naproxen and modern tests ... hemp products are ... DrugScreening #UDS #Testing ... #Laboratory #diagnosis
Interpreting Right Heart Catheterizations

Always interpret a RHC based on the indication for getting the test. This
indication for getting ... the test. ... What are the filling ... Are the readings ... #hypertension #cardiology