Anesthesia Flashcards

1
Q

What is the definition of anesthesia

A

Loss of sensation and usually of consciousness without loss of vital functions artifically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the types of anesthesia

A

General, regional, local

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the provisional routes of general anesthesia

A

general endotracheal, total IV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the premedication medicines

A

anxiolysis i.e. benzos like midasolam, diazepam, lorazepam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are potential induction techniques

A

inhalation, Intravenous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what medicines are administered in inhalational induction

A

nitrous oxide, sevoflurane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what medicines are commonly used IV in adults

A

propofol, ketamine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the adverse effects of nitrous oxide

A

post-op nausea and vomiting, cardio depression, absorption and expansion of air-filled spaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are contraindications of nitrous oxide

A

comprimised cardiac function, shock, pneumothorax, bowel obstruction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is ketamine used for

A

sedation or induction of anesthesia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are contraindications of ketamine

A

Intracranial HTN, psychosis or personality disorder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When is ketamine ideal

A

congenital heart disease, asthma, trauma, poor iv access

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How long will pancuronium last

A

1.5-2 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

when is pancuronium contraindicated

A

renal or hepatic failure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

when is succinylcholine indicated

A

rapid onset of skeletal muscle paralysis to facilitate tracheal intubation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are the side effects of succinylcholine

A

cardiac dysrhythmias, hyperkalemia, mayalgia, increased intraocular, intracranial and intragastric pressure

17
Q

What is defined as a hypercatabolic state

A

high body temp, acidosis, increased CO2 production, increased O2 consumption, rigid muscles, rhabdomyolysis

18
Q

What agents trigger malignant hyperthermia

A

inhaled general anesthesics, succinylcholine,

19
Q

How to maintain anesthesia

A

volatile agents, msucle relaxants, opioids, NSAIDs, acetaminophen

20
Q

Commonly used opoids

A

fentanyl, morphine, meperidine

21
Q

What are the routes of administration of Fentanyl

A

IV, tablet, lollipop, patch

22
Q

What are the side effects of fentanyl

A

high doses cause muscle rigidity, pruritus, respiratory depression, delayed gastric emptying and nausea vomiting

23
Q

what are the side effects of morphine

A

respiratory depression, depressed cough reflex, muscle rigidity, nausea, and vomiting, increased tone of spincter of Oddi, urine retention, histamine release

24
Q

what are the post anesthesia complications

A

pain, post op NV, delayed awakening, stridor, delirium

25
Q

What is the specific antagonist for benzos

A

Flumazenil

26
Q

What are the types of neuraxial anesthesia

A

epidural anesthesia (caudal block) and spinal anesthesia

27
Q

Contraindications of neuraxial anesthesia

A

infection, bleeding, degenerative CNS disease, allergy, refusal

28
Q

Types of regional anesthesia

A

local, peripheral nerve block, Bier block

29
Q

What are local anesthesias

A

lidocaine, bupivacaine, ropivacaine

30
Q

What do local anesthetics do

A

block function of peripheral nerves via sodium channel blockade and attenuation of neural action potential formation

31
Q

What are signs of anesthetic toxicity

A

tinnitus, HA, anxiety, HypoTN, ventricular arrhythmias, CV collapse, respiratory arrest

32
Q

What is a Bier block

A

a form of selective IV regional anesthesia of the distal arm or leg in which a tourniquet is applied and local anesthesia is injected through a cannula in the distal extremity