Heart blocks

Question 1

which heart block is least seriuous

Answer 1

first degree

Question 2

which heart block is most serious

Answer 2

third degree

Question 3

how many types are in the middle

Answer 3

two types of second degree

Question 4

pr interval required for first degree

Answer 4

greater than 200 ms

Question 5

In first degree, each beat does what

Answer 5

passes but is delayed

Question 6

usual rate of first degree block

Answer 6

60-100 bpm

Question 7

IN first degree block the rhythm is

Answer 7

regular

Question 8

first degree block p wave is

Answer 8

present and upright and precedes each qrs

Question 9

first degree block pr interval is

Answer 9

greater than 200 ms

Question 10

the only difference between first degree block and sinus rhythm is …

Answer 10

The prolonged Pr interval

Question 11

first degree block treatment

Answer 11

Not treated in field unless associated with bradycardia, symptomatic

Question 12

Second degree heart block occurs when …

Answer 12

an impulse reaching the av node is occasionally blocked

Question 13

Second degree heart block type 1 names

Answer 13

mobitz type 1 or wenckebach

Question 14

mobitz type 1 or wenckebach occurs when….

Answer 14

each successive impulse is delayed a little longer until one impulse is not allowed to continue

Question 15

mobitz type 1 or wenckebach rate is

Answer 15

60-100 bpm

Question 16

mobitz type 1 or wenckebach rhythm is

Answer 16

irregular with prolonged r to r intervals between the last qrs before the blocked p wave and the qrs after the first unblocked beat

Question 17

mobitz type 1 or wenckebach p wave is

Answer 17

present and upright and before most qrs complexes

Question 18

mobitz type 1 or wenckebach qrs measures

Answer 18

40- 120 ms

Question 19

Second degree heart block type 2 names…

Answer 19

mobitz type 2 /classical

Question 20

mobitz type 2 /classical is when …

Answer 20

several impulses are not allowed to continue.

Question 21

mobitz type 2 /classical has a rate of

Answer 21

60-100 bpm

Question 22

mobitz type 2 /classical rhythem ….

Answer 22

may be regular with every other p wave blocked or irregular with a prolonged r to r interval

Question 23

What is the easiest way to identify mobitz type 2 /classical

Answer 23

pr interval is always constant. All pr intervals among conducted p waves and corresponding qrs complexes are constant

Question 24

with mobitz type 2 /classical its important to remember that

Answer 24

it can be regular or irregular

Question 25

mobitz type 2 /classical treatment

Answer 25

treated only if associated with symptomatic bradycardia

Question 26

third degree heart block / complete block p waves are all

Answer 26

blocked from reaching the ventricles

Question 27

with third degree heart block / complete block, ventricles become

Answer 27

their own pacemaker

Question 28

third degree heart block / complete block ventricle rate is

Answer 28

less than 60 bpm

Question 29

third degree heart block / complete block r to r and p to p are

Answer 29

regular

Question 30

third degree heart block / complete block pr interval is

Answer 30

non existant

Question 31

third degree heart block , to identify , ....

Answer 31

1. **identify non conducted p waves and then the relationship between the p waves and the qrs complexes**​​ 2. **look for wide qrs, its common** 3. **wide qrs( no narrow) with p waves you should suspect 3rd degree.** 4. **​If the rhythm is regular and the pr interbal is not constant , it is almost certainly 3rd degree block.**

Question 32

third degree heart block / complete block treatmeant

Answer 32

ONly treat symptomatic