Cardiovascular support Lecture

Question 1

Discuss the breakdiown of total body water in a dog

• MEMORIZE NUMBERS ON POIC FOR EXAM

Answer 1

Total body water is split up into two categories: 1) extracellular water 2) intracellular water

Then going ufurther, extraceellular water is broekn down into two categories 1) plasma water 2) interstitial water

Question 2

Discuss the difference between LRs and Plasmalyte A

Answer 2

• LRS:
  
  • Buffer - ;l;actate (metabolism); used to correct dehydratiomn and maintenace; NOT indicated to give with cases of hyperkalemia or give with blooood producs

PlasmaLyte A: Buffer - acetate and gluconate (muscle metabolism; NOT indicated to give eith cases of hyoperkalemia; it used to correcrt dehydration and maintenace

• NOTE THAT there details on these slides (flashacrds) are lacking in detaikl for this set

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Question 3

Discuss most commmon causes of hypertension

Answer 3

• Pain
• distress
• chronic or acute kidney disease
• hyperthyroidism
• thyperadrenocorticism
• diabetes meelitus
• pheochromcytoma
• yada yada yada

Question 4

Discuss which drugs are used to treat hypertensuiion

Also discuss the mechanism of action

Answer 4

• Acepromazine (alpha1 adrenoreceptor atagonist)
• Clevidipine (Calcium channel blocker)
• Nitroprusside (nitric oxide release)

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Question 5

Discuss ventricular tachycardia

Answer 5

• Ventri cular tachycardia: wide and bizarre QRS complexes withoiut any associated P waves in addition to tachycardia

Question 6

Discuss the most common cause of tachycardia and also discuss treatments for it

Answer 6

• Most common causes:
• • pain
• myocardial irritation due to primary cardiac or systemic disease

Treatments:
- analgesic drugs
- lidocaine
- procainamide

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Question 7

Discuss the basics of how to treat a dog uif uts 1) hypovolemic 2) dehydrated 3) vasodilation

Answer 7

1) hypovolemic –> use fluids to treat
2) Vasodilation –> drugs
3) Dehyrated –> fluids