4 results
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
may actually be normal ... Consider additional tests ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup ... #Evaluation #Algorithm
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... Evaluation for ... value is low, tests ... indirect antiglobulin tests ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... aldosterone - Often normal ... Insufficiency #Evaluation ... #laboratory #diagnosis ... endocrinology #workup
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... deficiency Work ... Up: • Complete ... Fecal occult blood test