15 results
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Urea breath test ... first line test ... #Laboratory #Diagnosis ... #Accuracy
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Differential Diagnosis ... , hypoglycemia Testing ... ACTH) stimulation test ... Insufficiency #Differential
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... autoantibody tests ... - Serum tests that ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... h of infusion Adrenal ... CT scan, adrenal ... #Hypertension #Differential
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Step 1) Screening Test ... require Cosyntropin testing ... ) Confirmation Test ... This test determines ... Step 3) Differentiate
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
Interpreting Right Heart Catheterizations

Always interpret a RHC based on the indication for getting the test. This
indication for getting ... the test. ... Are the readings accurate ... #hypertension #cardiology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... symptomatology Differential ... Disease-specific testing ... , biopsy By Tess ... #Syndrome #differential
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
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... value is low, tests ... indirect antiglobulin tests ... WBC count and differential ... the presence of renal