Esquivel - H2O and Sodium Balance

Question 1

Pt with hypoNa and hypovolemia with PNA - why hypoNa?

Answer 1

SIADH from PNA

Question 2

Indirect measure of Na? ALDO? ADH?

Answer 2

BP; Urine Na, Urine Osm

Question 3

Functions of ADH?

Answer 3

1. Osmolarity

2. Volume after 7% blood/fluid loss

Question 4

SIADH: Relative ALDO, Urine Na (be specific), ADH, and Urine Osm?

Answer 4

down, >40, up, up

Question 5

CHF/cirrhosis/nephrosis: Relative ALDO, Urine Na (be specific), ADH, and Urine Osm?

Answer 5

up, <20, up, up

Question 6

Adrenal Insufficiency: Relative ALDO, Urine Na (be specific), ADH, and Urine Osm?

Answer 6

down, >40, up, down

Question 7

Primary Polydipsia: Relative ALDO, Urine Na (be specific), ADH, and Urine Osm?

Answer 7

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