Diabetes Insipidus

Question 1

What is an antidiuretic hormone (ADH)

Answer 1

controls BP and blood volume by regulating reabsorption/excretion of water in the kidneys

Question 2

What do high levels of ADH cause

Answer 2

reabsorption of water

Question 3

What do low levels of ADH cause

Answer 3

excretion of water

Question 4

Where is ADH secreted from?

Answer 4

Posterior pituitary gland

Question 5

When is ADH secreted?

Answer 5

when body senses low blood volume, low BP, and hypernatremia

Question 6

What is Diabetes Insipidus?

Answer 6

Insufficient ADH released, resulting in kidneys being unable to concentrate urine

Question 7

Neurogenic pathophysiology of Diabetes Insipidus

Answer 7

pituitary tumor or injury causes insufficient ADH hormone to be released

Question 8

Nephrogenic pathophysiology of Diabetes Insipidus

Answer 8

Inadequate kidney response to ADH r/t kidney infection

Question 9

Most common sign of Diabetes Insipidus

Answer 9

large amounts of dilute urine

Question 10

What will a patients appetite look like with Diabetes Insipidus

Answer 10

-anorexia

Question 11

What will the blood pressure of a Diabetes Insipidus patient have

Answer 11

hypotension

Question 12

What will be the hydration status of a Diabetes Insipidus patient

Answer 12

• dehydration

- polydipsia (excessive thirst)

Question 13

Urine lab values indicating Diabetes Insipidus

Answer 13

Decreased urine specific gravity (<1.005)
Decreased osmolality (<200)
Decreased sodium

Question 14

Blood lab values indicating Diabetes Insipidus

Answer 14

• Increased osmolality >300)

- Increased sodium

Question 15

What medication will be given for a patient with Diabetes Insipidus

Answer 15

• Vasopressin (hormone)

- Desmopressin (ADH)

Question 16

Nursing care for a patient with Diabetes Insipidus

Answer 16

• monitor I&O

- Monitor urine specific gravity