274 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... ultrasound, Tests ... sodium loading test ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... many possible causes ... In most cases, it ... reduce unnecessary testing ... pick specific tests
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cushing Syndrome ... Testing Algorithm ... dexamethasone suppression test ... Hormone • MRI of adrenal ... endocrinology #Adrenal
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
: Most Common Causes ... Tuberculosis: can cause ... clue • Blood tests ... ACTH stimulation test ... present - ACTH test
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... autoantibody tests ... - Serum tests that ... laboratory #diagnosis #testing
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... ACTH) stimulation test ... ACTH - Primary adrenal
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Adrenal Insufficiency ... Cosyntropin Stimulation Test ... BCM_InternalMed #Adrenal ... Insufficiency #Testing
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... , Gitelman's syndrome ... , Congenital adrenal ... diagnosis #algorithm #causes
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... Hyperreflexia #Testing
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... unclear (often the case ... then go to stim testing ... Standard Stim test ... #Stimulation #Test