40 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Diagnostic Testing and Evaluation ... Cost - Cost per test ... Cardiac stress test ... Syncope #diagnosis #workup ... Effectiveness #table
Evaluating a Patient with Presumed Cushing Syndrome

#Cushings #Syndrome #Disease #Algorithm #Workup #Dexamethasone #Suppression #Test #diagnosis
Evaluating a Patient ... Syndrome #Disease #Algorithm ... #Workup #Dexamethasone ... #Suppression #Test
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... CRH stimulation test ... Insufficiency #Evaluation ... endocrinology #workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... #Screening #Workup ... #table
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... - Bone marrow evaluation ... #Workup #hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... - Ice cube test ... , TempTest test ... rheumatology #comparison #table
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Algorithm Step ... Consider additional tests ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup ... #Evaluation #Algorithm
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
• Low-grade fever ... Palmar creases - Extensor ... clue • Blood tests ... ACTH stimulation test ... present - ACTH test
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... FUO) - Further Workup ... Returning Traveler’ algorithm ... Test for the respective ... UnknownOrigin #workup
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... - Evaluation of ... unclear (often the case ... Standard Stim test ... #Stimulation #Test