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Cardiac > Arrhythmias > Flashcards

Arrhythmias Flashcards

1
Q

Sinus bradycardia can lead to what?

A

​Inadequate cardiac output and often precede electrical instability of the heart.

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2
Q

what is common when the sinus rate is very slow?

A

Etopic beats from av node and ventricles may fire to maintain cardiac output.

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3
Q

what are some serious causes ?

A
  1. hypothermia
  2. sa node disease
  3. AMI may stimulate vagal tone
  4. Intercranial preasure
  5. morphine
  6. quindine
  7. ​Digitalis
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4
Q

What is the treat meant for brady?

A
  1. Focus on patient tolerence and look for the cause.
  2. If symptomatic the consider atropine, then pacing to increase ventricular rate.
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5
Q

Sinus tachycardia p waves are

A

upright

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6
Q

Sinus tachycardia pr is

A

120-200 milli secs

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7
Q

Sinus tachycardia qrs rate is

A

40 - 120 ms

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8
Q

Sinus tachycardia rhythm is

A

Regular

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9
Q

Sinus tachycardia rate is

A

100-150 bpm

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10
Q

Sinus tachycardia causes

A
  1. ​pain
  2. fever
  3. hypoxia
  4. hypovelimia
  5. exercise
  6. epi
  7. amphetmines
  8. cocain
  9. cacain
  10. caffine
  11. nicotine
  12. alchol
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11
Q

what happens to cardiac output between 120-140 beats per min?

A

its reduced, ventricles dont have time to refill.

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12
Q

Sinus dysrhthmia rhythem is

A

slight variant

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13
Q

Sinus dysrhthmia p waves are

A

upright

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14
Q

Sinus dysrhthmia rate

A

100-150 bpm

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15
Q

Sinus dysrhthmia Pr interval is

A

120-200ms

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16
Q

Atrial flutter P waves

A

saw tooth

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17
Q

Atrial flutter Pr interval

A

Variable

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18
Q

Atrial flutter qrs duration

A

40- 120 ms

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19
Q

Atrial flutter rate

A
  • The atrial rate is usually 240-320 bpm
  • ventricular rate commonly 60- 160 bpm
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20
Q

Atrial fibrilation p waves

A

fibrilating

21
Q

Atrial fibrilation rhythem is

A

irregularly irregular

22
Q

Atrial fibrilation rate

A

variable

23
Q

Atrial fibrilation key to identifying

A

is it is highly irregularly irregular

24
Q

Super ventricular tachycardia P wave is

A

unable to be seen

25
Q

Super ventricular tachycardia R to R is

A

regular

26
Q

Super ventricular tachycardia qrs is

A

. 4- .12 ms

27
Q

Super ventricular tachycardia rate is

A

150-180 bpm

28
Q

Super ventricular tachycardia has a tendency to ….

A

Come and go and therfore gets its name Paroximal svt ( meaning in spasms) aka re-entry svt

29
Q

Super ventricular tachycardia how urgent is svt

A

it should be treated promptly because ventricles cant refill reducing cardiac output

30
Q

Premature atrial complex is a

A

complex within another rhythm.

31
Q

Premature atrial complex occurs when

A

earlier in time than the next expected complex

32
Q

Premature atrial complex makes the rhythm what..

A

Irregular

33
Q

Premature atrial complex will have a p wave that is

A

different from other in morphology

34
Q

wtih Premature atrial complex , the p wave is not always

A

conducted to the ventricles.

35
Q

What is a non conducted p wave

A

P wave conducted early and not followed by a qrs.

36
Q

How to differentiate heart blocks from a pac

A
  1. Pac’s occure infrequetly and in no pattern
  2. Heart blocks pp intervals are constant
37
Q

Premature atrial complex causes

A
  1. cafine
  2. heart dissease
38
Q

Wandering atrial pace maker moves from sa node to

A

various locations of the heart

39
Q

Wandering atrial pace maker rate is

A

60 -100bpm

40
Q

Wandering atrial pace maker rhythem is

A

slightly irregular

41
Q

Wandering atrial pace maker p wave is

A

upright but various morphology

42
Q

Wandering atrial pace maker- what is required to call it that officaly

A

At least 3 different morphology

43
Q

Wandering atrial pace maker is common in patients with

A

Lung disiease

44
Q

Wandering atrial pace maker treatment is …

A

usually not indicated

45
Q

Multifocal atrial tachycardia has a rate of

A

more than 100 bpm

46
Q

Multifocal atrial tachycardia rhythm is

A

regular irregular

47
Q

Multifocal atrial tachycardia R to R….

A

varies depending on site of pace maker

48
Q

with Multifocal atrial tachycardia, if rate exeeds 150 bpm the p waves ….

A

may not be visible , thus the only indication may be the irregularity associated with the varying sites of origin

49
Q

Multifocal atrial tachycardia treatment ….

A

Not attempted in field. svt treatment not affective with Multifocal atrial tachycardia

Cardiac (3 decks)

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