7 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function Tests ... (PFTs) - Interpretation ... AlgorithmNormal ... #Pulmonary #FunctionTests ... #PFTs #Interpretation
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
of Abnormal Coagulation ... Tests - Prolonged ... #Coagulation #Abnormal ... #APTT #Laboratory ... Hematology #Diagnosis #Workup
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... may actually be normal ... Consider additional tests ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... • Low TSH, Low normal ... • Low TSH, normal ... Hyperthyroidism: Work-up ... Scan • High or normal
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... value is low, tests ... levels - Usually normal ... products or D-dimer - Normal ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Thrombocytopenia - Abnormal ... deficiency - Abnormal ... deficiency Work ... Fecal occult blood test
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... aldosterone - Often normal ... Insufficiency #Evaluation #laboratory ... endocrinology #workup