Chapter 110 Calcium, Magnesium and Phosphorous disorders

Question 1

What is normal P values in cats and dogs?

Answer 1

• Dogs: 3.0- 5.0mg/dL

* Cats: 3.0- 6.0mg/dL

Question 2

T/F: Clinical signs of hypoP/hyperP is highly related to the degree of elevation/decline in P?

Answer 2

False. It is very individual and related to the rate of P level change

Question 3

What three forms does Ca exists in?

Answer 3

(1) ionized (∼55% of total calcium present)
(2) non-ionized chelated (∼10% of total calcium present)
(3) protein bound (largely albumin) (∼35% of total calcium present)

Question 4

Clinical signs of hypoCa?

Answer 4

• Muscle: muscle tremors, fasciculation, twitching, and sustained contractions or tetany
• Nervous: disorientation, restlessness, parasthesias (particularly facial pruritus), panting, and hyperthermia
• Cardio: arrhythmias as well as arterial hypotension

Question 5

What are the clinical signs of hyperCa?

Answer 5

• Muscle: Muscle trem- ors or muscle weakness
• Neuro: obtundation, seizures, and lethargy.
• Cardio: arterial pressure in some patients), poor diastolic function, and arrhythmias
• Polyuria