8 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function Tests ... (PFTs) - Interpretation ... #Pulmonary #FunctionTests ... #PFTs #Interpretation
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function Tests ... (TFTs) and Interpretation ... #TFTs #Interpretation ... endocrinology #diagnosis #laboratory ... #patterns #differential
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Urea breath test ... BEST first line test ... #Laboratory #Diagnosis ... #Accuracy
Interpreting Right Heart Catheterizations

Always interpret a RHC based on the indication for getting the test. This
indication for getting ... the test. ... This is an interpretation ... Are the readings accurate
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... #OccultBlood #Testing ... #Laboratory #FalsePositive ... FalseNegative #Diagnosis #Differential ... #Accuracy #Inaccurate
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
adults • Blood tests ... Pulmonary function tests ... Bronchoscopy Laboratory ... Sweat chloride test ... Bronchiectasis #pulmonary #differential
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... the use of this test ... in BAL does not differentiate ... Galactomannan #Fungal #Testing ... FalsePositives #Laboratory
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
confirmed via genetic testing ... in most cases; interpretation ... dependent upon local laboratory ... hypokalemia #diagnosis #differential