Dysrhythmias Ppt/7

Question 1

v tach is associated with

Answer 1

acute MI and reperfusion of myocardium

Question 2

v tach results may be

3

Answer 2

1. pulmonary edema
2. shock
3. decreased blood flow to brain

Question 3

v tach cardioversion - mono

Answer 3

can be synchronized because regular qrs

Question 4

v tach - if polymorphic with normal baseline QT interval, therapies include
3

Answer 4

1. magnesium infusion
2. overdrive pacing
3. IV beta blockers

Question 5

what type of cardioversion may be needed - v tach

Answer 5

unsynchronized

Question 6

run of three or more PVCs

Answer 6

v tach

Question 7

v tach cardioversion - poly

Answer 7

need to do unsynchronized

Question 8

tx if v tach is monomorphic and pt is hemodynamically stable and has preserved left ventricular function then give
3

Answer 8

IV procainamide, amiodarone, or lidocaine

Question 9

irregular wide complex tachy - syn and defib?

Answer 9

unsynchronized or defibrillation

Question 10

what is often the problem if in polymorphic v tach

Answer 10

often low magnesium levels

Question 11

more than three PVCs =

Answer 11

v tach

Question 12

when do you treat v tach

Answer 12

when pt becomes symptomatic

Question 13

causes include acute MI, coronary reperfusion, CNS, electrolyte imbalances, valve prolapse

Answer 13

v tach

Question 14

v tach is considered life threatening because of

Answer 14

decreased CO and the possibility of deterioration of v tach to v fib

Question 15

v tach causes include

5

Answer 15

1. acute MI
2. significant electrolyte imbalances (K)
3. mitral valve prolapse
4. coronary reperfusion after thrombolytic therapy
5. CNS disorders

Question 16

v tach types

4

Answer 16

monomorphic
polymorphic
sustained
nonsustained

Question 17

v tach

Answer 17

run of three or more PVCs

Question 18

v tach with pulse can be ______ _____

Answer 18

hemodynamically stable; but doesn’t stay stable for long, they have no CO

Question 19

v tach - CO

Answer 19

none

Question 20

v tach, check what electrolyte

Answer 20

potassium

Question 21

v tach significance - can be

2

Answer 21

1. can be escape mechanism

2. can be seen with digitalis toxicity

Question 22

v tach has been observed in pts with no evidence of what

Answer 22

heart disease

Question 23

a fib - synchable or not?

Answer 23

yes because you don’t want to hit qrs with defib and go into v tach

Question 24

with v tach - what do you start checking

Answer 24

check patient, VSs (BP, HR, consciousness), then check K

Question 25

v tach without a pulse is treated as

Answer 25

v fib and rapid defibrillation is attempted

Question 26

v tach may cause severe decrease in what

Answer 26

CO

Question 27

v tach - sometimes the pt doesn’t even what

Answer 27

feel them

Question 28

v tach - what is used when drug therapy is ineffective

Answer 28

synchronized cardioversion

Question 29

v tach - drugs that prolong QT should be

Answer 29

discontinued