End of chapter questions Flashcards
3 things needed in EKG Documentation
- explain procedure to patient
- Obtained consent from patient
- Inform proper personnel about results
Direction of current and EKG waveform?
Current flowing away from positive eletrode produces a negative waveform
The net direction of electrical activity of the heart is directed towards?
Left ventricle
In a normal heart, what represents the direction of EKG complex in lead V6?
Positive
Which lead is placed in 5th intercostal space at anterior axillary line?
Lead V5
What’s displayed on X axis of EKG?
Time
Example for bipolar leads?
Lead I
Hallmark characteristic of atrial rhythm?
Presence of P wave
Best way to calculate heart rate by counting large boxes?
Count number of large boxes between R waves and divide into 300
Best method for calculating supraventricular tachycardia?
Counting small boxes
Most distinguishable character of sinus arrhthmia?
Increasing and decreasing heart rate with respiration
Treatment for sinus bradycardia includes?
Atropine
Which is NOT treatment option for inappropriate sinus tachycardia?
Atropine
Which mechanism is responsible for origin of atrial arrhthmia?
Problems with automaticity
Hallmark finding in premature atrial contraction?
Premature PQRST complex