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Anesthesia Drugs
Duration and effects of anesthesia drugs
| Question | Answer |
|---|---|
| Duration of Dexmedatomidine | 1 hr |
| Expected effects of Dexmedatomidine | sedative & analgesic, profound, long-lasting sedative, calming |
| Unwanted effects of Dexmedatomidine | decreases CO, inhibits ADH, respiratory depression, commonly profound bradycardia d.t. intense vasoconstriction, 1st & 2nd degree AV block, vomiting in dogs & cat |
| Duration of ace | 4-8 hrs, may last up to 48 hrs in older animals or animals with liver disease |
| Expected effects of ace | antiemetic, calming, potential peripheral vasodilation |
| Unwanted side effects of ace | SLOW onset of duration; don't use for hypovolemic shock patients |
| Duration of Butorphanol | SHORT duration (3/4-1.5 hours) |
| Expected effects of Butorphanol | minimal analgesia & sedation, less GI effects, minimal CV compromise |
| Unwanted side effects of Butorphanol | respiratory depression, bradycardia, vomiting, use w/ caution on head injuries |
| Duration of buprenorphine | slow onset, long duration (4-8 hrs) - if given at high doses |
| Expectant effects of buprenorphine | moderate analgesia, LEAST sedative |
| Unwanted side effects of buprenorphine | respiratory depression, bradycardia, vomiting, use w/ caution on head injuries |
| Duration of Hydromorphone | 3-6 hours |
| Expectant effects of Hydromorphone | Analgesia & sedation, 8x more potent than Morphine |
| Unwanted side effects of Hydromorphone | respiratory depression, bradycardia, vomiting, use w/ caution on head injuries, panting (dogs) - all opioids |
| Duration of Morphine | 3-6 hours |
| Expectant effects of Morphine | excellent analgesia |
| Unwanted side effects of Morphine | respiratory depression, bradycardia, vomiting, use w/ caution on head injuries |
| Duration of Fentanyl | 30 minutes if injectable |
| Expectant effects of Fentanyl | sedative & analgesia |
| Unwanted side effects of Fentanyl | respiratory depression, bradycardia, vomiting, use w/ caution on head injuries |
| Duration of Lidocaine | 1-2 hours, very quick onset (w/in minutes) |
| Expectant effects of Lidocaine | mild sedative effects when administered IV, local block |
| Unwanted side effects of Lidocaine | potential CNS toxicity - watch seizures! - don't use in low seizure dogs |
| Duration of Propofol | onset w/in minutes, short duration |
| Expectant effects of Propofol | good muscle relaxation, rapid recovery, produces little change in the heart |
| Unwanted side effects of Propofol | respiratory depression |
| Unwanted side effects of Anti-cholinergics | tachyarrhymias - ventricular or supraventricular |
| Ketamine/Midazolam | inc. HR, maintains arterial BP, minimal effects on respiration, though apnea can occur |