6 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... in the Evaluation ... • Low TSH, Low normal ... : Work-up similar ... #algorithm #diagnosis
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
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
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... taken at home, work ... hypertension) • Hypothyroidism ... Differential #Diagnosis #Algorithm
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Diagnosis Algorithm ... - Evaluation of ... unclear (often the case ... Standard Stim test ... this indicates normal
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... Evaluation for ... value is low, tests ... the presence of renal ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup