Saturday, June 11, 2016

Diabetes insipidus and SIADH mnemonics

"Do you have any mnemonics on vasopressin related disorders? I always mix up diabetes insipidus and syndrome of inappropriate anti-diuretic hormone!"

Sorry for replying so late. You are probably in your second year med school because once you get old, you can never mix up the two. Anyway, I made these mini mnemonics for ya, hope they help! :)

SIADH: So much hormone!
Such
Immense
Anti
Diuretic
Hormone
Secretion

DI: Dumb or Disappered hormone!
Diabetes insipidus
Deficient ADH (Central DI) or ADH Doesn't work (Nephrogenic DI)
Dilute urine (< 300 mosm/L)

Diabetes insipidus and SIADH mnemonic
Here's an extra mnemonic kinda thingy?

ADH:
Aquaporin is inserted into cells of the
Distal tubule which leads to water reabsorption and
Highly concentrated urine (High osmolality)

NSAIDS can cause inappropriate antidiuresis.
Mnemonic: NSAIDS aid ADH. Also "SIAD" for SIADH and "SAID" for NSAID are anagrams.

Did you know?
A primary deficiency of plasma ADH can result from increased metabolism by an N-terminal aminopeptidase produced by the placenta. It is referred to as gestational DI because the signs and symptoms manifest during pregnancy and usually remit after delivery.

That's all!
-IkaN

Related posts:
Drugs causing SIADH mnemonic
Normal sodium, potassium and serum osmolality values mnemonic

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