Medications

Question 1

class 1

Answer 1

blocks Na channels

Question 2

what do class 1 blocks Ns channels do

Answer 2

prolongs absolute refractory peroid and decreases risk of premature impulses, decreases automaticity

Question 3

class 2

Answer 3

beta blocks

Question 4

what do class 2 blocks beta blockers

Answer 4

inhibits dysrythmias mediated by SNS
competes with endogenous catecholamines for receptor sites

Question 5

class 3 name and action

Answer 5

prolongs repoloarization and action potential

Question 6

Class IV

Answer 6

blocks calcium channels

Question 7

how do class IV calcium channels work

Answer 7

atria, sinus, and AV node
depress sinus AV condition and terminates TACHYS

Question 8

proarrythmic drugs

Answer 8

*all of the ones I’m unfamiliar with
- quindine
procaniamide
dofetilide
ibutilide

Question 9

example of class 1

Answer 9

lidocaine

Question 10

example of class 2

Answer 10

metaprolol

Question 11

example of class 3

Answer 11

amiodarone

Question 12

example of class 4

Answer 12

diltiazem

Question 13

torsades cause

Answer 13

long QT
1A and III
electrolytes
subarachnoid hemorrhage

Question 14

adenosine
* action

Answer 14

slows condition through the AV node causing transient AV block

Question 15

half life of adenosine

Answer 15

short

Question 16

how treat torsades

Answer 16

magnesium

Question 17

chrono affects

Answer 17

rate

Question 18

ino affects

Answer 18

contractility

Question 19

epi chromo and ino

Answer 19

increase both

Question 20

dig chromo and ino

Answer 20

increase ino
decrease chrono

Question 21

dopamine chrono and ino

Answer 21

increase

Question 22

beta blocker chromo and ino

Answer 22

• ino
  + chrono

Question 23

dig range

Answer 23

very narrow

Question 24

what electrolyte to monitor for dig

Answer 24

K
(hypokalemia)

Question 25

vision sign for dig toxicity

Answer 25

hallo vision

Question 26

dopamine low dose

Answer 26

under 5mcg - dilate renal and mesentery arteries

Question 27

dopamine high dose

Answer 27

over 5mcg - vasoconstriction, positive isotrope, positive chrono trope

Question 28

dobutamine used for

Answer 28

improve contractility in heart failure and cariogenic shock

Question 29

epi is give in what rythms

Answer 29

pulseless - Vtach - vfib - PEA - asytole

Question 30

norepineprhrine should be infused how

Answer 30

central line - extravasation

Question 31

phosphodiesterase inhibiors

Answer 31

positive inotrope and vasodilation

Question 32

what is the best vasopressor

Answer 32

norepinephrine

Question 33

sodium nitroprusside (nipride)

Answer 33

afterload - vasodilator

Question 34

nitroglycerine

Answer 34

reduces cardiac filling pressures relieves pulmonary congestion decreased cardiac workload and oxygen consumption

Question 35

atropine works how

Answer 35

temporaliy increase heart rate or decrease AV block until definitive intervention can take place

Question 36

what is atropine an antidote for

Answer 36

overdose of cholinergic (doxepine)

Question 37

DHP CCB

Answer 37

amlodapine

Question 38

NDHP CCB

Answer 38

verapamil and diltiazem

Question 39

angiotensin 2 does what

Answer 39

vasoconstrict

Question 40

what are ACEI good for

Answer 40

hypertension diabetic nephropathy CHF

Question 41

side effects of ACEI

Answer 41

cough angioedema hyperkalemia

Question 42

ARB ending

Answer 42

sartan

Question 43

a adrenergic blockers

Answer 43

labetalol phentolamine dopamine