diabetes insipidus by: abigail wells and samantha wright
TRANSCRIPT
Diabetes Insipidus
By: Abigail Wells and Samantha Wright
What is it?
Loss of control of water balance
Kidneys do not reabsorb excess fluid
Tubules are not permeable to water
Person experiences excessive thirst & urination
Cause
Results from lack of vasopressin
Damage to hypothalamus or pituitary caused by histiocytes
Cause
Tumor in pituitary or hypothalamus
Inflammation of hypothalamus and pituitary
Osmoreceptors fail to work.
Diagnosis
Blood Glucose Levels
Bicarbonate Levels
Calcium Levels
Diagnosis
Fluid Depravation Test
Excessive fluid intake
Defect in ADH production
Defect in kidney response to ADH
Diagnosis
Changes in body weight
Urine output Urine composition No fluid given,
dehydration occurs
Diagnosis
Normal Response = more concentrated urine, less frequent urination
DI response = urinate large amounts of undiluted urine
Treatments
Desmopressin
Synthetic replacement for Vasopressin
Nasally, intravenously, pill
Treatments
Carbamazepine
Anti-convulsive medication
Had some success
Works Cited
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/K/Kidneys.gif http://www.3dchem.com/imagesofmolecules/Vasopressin.jpg http://www.health-choices-for-life.com/images/
Pituitary_hypothalamus.jpg http://assets.aarp.org/external_sites/adam/graphics/images/en/
19825.jpg http://www.health.bcu.ac.uk/physiology/ADH2.gif http://scienceblogs.com/startswithabang/upload/2009/04/
putting_the_yellow_in_your_uri/urine-contents.jpg http://wwwdelivery.superstock.com/WI/223/1598/PreviewComp/
SuperStock_1598R-198877.jpg http://www.drugs.com/images/pills/mtm/DDAVP%200.1%20mg.jpg http://www.healthcentral.com/common/images/l/
LMM01090_46124_5.JPG