Aldosterone renin ratio
Interpretation of the ARR should only be made after confirming that renin is suppressed in the setting of high endogenous aldosterone production.…
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Testosterone Mechanism of Action
Testosterone is a hormone that is produced primarily in the testicles. It is responsible for the development of male characteristics, such as…
Read articleHyperthyroidism Evaluation Algorithm
References Kravets I. Hyperthyroidism: Diagnosis and Treatment. Am Fam Physician. 2016 Mar 1;93(5):363-70. PMID: 26926973.
Read articleMetyrapone Test
This Metyrapone Test is a stimulation test to assess the hypothalamic pituitary adrenal axis. In essence, it is a practical dynamic test…
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Desmopressin mechanism of action diabetes insipidus
The mechanism of action of desmopressin and its clinical application in the management of central diabetes insipidus will be reviewed. Physiology of…
Read articleLDL calculator
This calculator for estimating LDL cholesterol is based on the Friedewald equation. Enter lipid values in either mg/dL or mmol/L to calculate…
Read articleWhat to do when blood glucose is high
This insulin pump troubleshooting protocol will guide you through the process of managing an unexpectedly high blood glucose event. High blood glucose…
Read articleSodium correction in hyperglycemia
A calculator for serum sodium correction in the setting of hyperglycemia. In normal physiology, effective osmolarity in the presence of overt hyperglycemia…
Read articleFractional Excretion of Sodium (FENa) Calculator
The Fractional Excretion of Sodium Calculation (FENa) requires the following patient parameters : Plasma Sodium and Urine Sodium in mEq/L. Plasma Creatinine…
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Riedel Thyroiditis Mnemonic
A rare fibrotic condition that results in the destruction of the thyroid and overgrowth of progressively fibrosing connective tissue that may invade…
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