9 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Tests in the Evaluation ... TSH, Low normal ... • Low TSH, normal ... Hyperthyroidism: Work-up
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
- Evaluation of ... then go to stim testing ... this indicates normal ... adrenal function ... primary AI - Low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... consumption • Low ... /Normal Blood Pressure ... #differential # ... potassium #nephrology #low
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... indicate the initial evaluation ... decision for repeat testing ... Liver #Enzymes #Differential
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... Evaluation for ... If the value is low ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Secondary Amenorrhea - Differential ... Diagnosis Algorithm ... FSH, Low estrogen ... : • Functional ... (e.g. eating disorder
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Often normal ... Insufficiency #Evaluation ... #laboratory #diagnosis ... #testing #endocrinology ... #workup
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
urine Na/Cl > 1.6, low ... confirmed via genetic testing ... in most cases; interpretation ... dependent upon local laboratory ... hypokalemia #diagnosis #differential
Delayed Fracture Healing - Non-Union - Malunion - Differential Diagnosis Algorithm

Inflammation (Hours-Days) -> Soft Callus (Days-Weeks)
Non-Union - Malunion - Differential ... Diagnosis Algorithm ... deviations from normal ... axis Non Functional ... Misalignment before casting