Rhythm strip interpretation and sinus rhythms Flashcards Preview

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Flashcards in Rhythm strip interpretation and sinus rhythms Deck (11)
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1
Q

5 steps to interpretation

A
  1. rhythm
  2. rate
  3. P wave configuration
  4. PR interval
  5. QRS duration measurement
2
Q

What is the normal PR interval?

A

0.12 - 0.20 second

3
Q

What is the range for a normal QRS?

A

0.06 - 0.10 second

4
Q

Name 4 important QRS questions you should be asking yourself.

A
  1. Are all QRS equal of length?
  2. In normal range?
  3. Do they look alike?
  4. Associated with ectopic beat?
5
Q

If patient has returned to sinus rhythm from another dysrhythmia, what should be your next move?

A

check cardiac output

6
Q

Define normal cardiac output

A

The heart is beating adequately, pumping blood to the bodies vital organs

7
Q

What is IST?

A

inappropriate sinus tachycardia

8
Q

What are the criterias for sinus dysrhythmia?

A
  1. Irregular Heart Rate
  2. P, PR and QRS are the same as in normal rhythm
9
Q

What causes dysrhythmia?

A

R-R will progressively widen following the patient’s breathing pattern

10
Q

What is Sinus Arrest, describe the EKG findings?

A
  1. SA node stops firing
  2. interval between two P and two R waves is irregular
11
Q

What is asystole?

A

Flatline or Ventricular Standstill