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Test 2 > Vasopressors-Hill > Flashcards

Vasopressors-Hill Flashcards

1
Q

what starts the actions potential

A

entry of Na into the cell

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2
Q

Calcium primarily works on

A

the contractions

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3
Q

If we have lots of potassium we will see

A

an tall T wave

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4
Q

What is an antiarrythmic ?

A

used to treat disturbances off normal heart rythym
may have 1 or more action
can worsen or cause new arrythmias

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5
Q

What is a vasopressor?

A

used to treat hemodynamically unstability
cardiac post op
sepsis
CHF

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6
Q

What vasopressors naturally occur in the body?

A

epi, nori
vasopressin
dopamine

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7
Q

what are some side effects of vasopressors

A

decreased perfusion to periphery, increased heart rate

extravassion-can damage cell tissues

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8
Q

Class I antiarythmics are

A

Na channel blockers

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9
Q

Lidocaine is a

A

class 1 antiarrythmic-Na channel blocker

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10
Q

What does Lidocaine treat?

A

ventricular dysrythmias, PVC’s Vtach, Vib

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11
Q

How does lidocaine work

A

decreases cellular permiablity to NA

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12
Q

precautions with Lidocine!!!

A

do not use with AV blocks

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13
Q

Lidocaine toxicity

A

you want to decrease the rate after 24 hours of infusion

can cause seizures and coma

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14
Q

Procainamide is a

A

Na channel blocker

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15
Q

Procainamide is used when

A

Lidocaine is ineffective or contraindicated
-not as potent
max dose 17 mg/kg

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16
Q

Class 2 antiarrythmics are=

A

Beta Blockers

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17
Q

Labetalol as as _____ & _________

used for

A

vasopressor and chronotrophic effects
treats
a fib, a flutter, HTN,

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18
Q

When do we need to be cautious w/ Labetalol

A

in CHF and AV block patients

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19
Q

What can Labetalol mask?

A

Hypoglycemia

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20
Q

Propanolol is a __________

A

non-selective beta adrenergic blocker

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21
Q

Propanalol treats SVT, PVC

DECREASES everything HR, BP, nd Contractility

A

oop

22
Q

Atenolol

A

is a beta 1 adrenergic blocking agent

23
Q

Atenolol is used to

A

treat post MI V-fib

monitor closely

24
Q

Metropolol is

A

beta 1 adrenergic clocking agent

reduces recurrence of MI and size of infarct

25
Q

Class 3antiarrythmics prolong

A

phase 3 thus increasing reploarization and refractoriness

26
Q

amiodarone is a

A

potassium channel blocker -prolongs phase 3

27
Q

Amiarodarone has charcteristics of

A

all 4 classes

treats V-Tach and V-Fib-if they are unresponsive to other meds

28
Q

side effects of amiodarone are

A

v tach, vfib, r on T, brasy, av block asystole,
PATIENT WILL BE ADMITTED TO BE MONITORED
LONG HALF LIFE

29
Q

Class 4 antiarrythmics

A

Ca channel

30
Q

a sign that lidocain has been used too much is

A

tingling on the lips *****

31
Q

max dose of procainamide is

A

17 mg/kg

32
Q

the best beta is

A

metropolol- opens up and relaxes

33
Q

Cardizem is a

A

calcium channel blocker

34
Q

cardizem treats

A

a flutter and afib

35
Q

Use extreme cuation with cardizem and

A

CHF, cardiogenic shock, or betas

36
Q

Verapamil is

A

calcium channel blocker

caustion w/ HTN pt

37
Q

mag sulfate is drug of choice for

A

Torsades

38
Q

what is the dose for mag sulfate

A

1-2 g in 50 ml of d5 over 5-10 minutes

39
Q

Adenosine treats

how much

A

SVT

612 mg IV 1-2 seconds

40
Q

Atropine treats

A

asystole and symptoatic bradycardia

41
Q

atropine works at what node

A

AV

42
Q

Vasopressin affects both

A

rythm and pressure

43
Q

if patient is flat lining should we give epi or vaso first

A

vaso

wait 1 miutes before giving epi

44
Q

dopamine effects

A

blood pressure

45
Q

levophed affects

A

blood pressure(vasopressor)

46
Q

Digoxin affects

A

cardiac contractility

47
Q

when should we hold DIG

A

if apical is less than 60

48
Q

signs of dig toxicity

A 
NV anorexia
vision changes
Ha confusion
sagging ST
brady or tachy
49
Q

Antidote for Dig is

A

digibind

50
Q

Dobutamine will affect contractility withoutincreasing heart rate

A

know

51
Q

Regitine

A

to treat extravision

Test 2 (11 decks)

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