54 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... ACTH) stimulation test ... baseline ACTH - Secondary
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Hypertension - Differential ... Diagnosis and Screening ... Testing Common ... #Diagnosis #Causes
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... Hyperaldosternism (low ... tumor • Other low ... #differential # ... diagnosis
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
unclear (often the case ... then go to stim testing ... Standard Stim test ... primary AI - Low ... #Stimulation #Test
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal ... and Gitelman syndrome ... Hypomagnesemia with secondary ... #diagnosis #causes ... nephrology #magnesium #low
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Amenorrhea - Differential ... Diagnosis Algorithm ... by age 16 with secondary ... Etiology - High FSH, Low
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... High Al, High R - Secondary ... #Diagnosis #Algorithm ... #nephrology #causes
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Amenorrhea - Differential ... Diagnosis Algorithm ... FSH, Low estrogen ... Functional (e.g. eating
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
specificity for AI (but low ... require Cosyntropin testing ... Step 3) Differentiate ... primary vs secondary ... - Low ACTH is
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
between 8 and 9 AM - Low ... aldosterone - Low ... in cases in which ... Evaluation #laboratory #diagnosis ... #testing #endocrinology