1st lecture ECG Signs

Question 1

Sinus dysrhythmia

Answer 1

R-R varies more than 0.04, one small box**

Rate 40-100

Question 2

Wandering Atrial Pacemaker

Answer 2

P wave vary in appearance
PRI vary, but within normal limits
R-R vary

Question 3

Atrial Arrhythmia

Answer 3

P wave of the early beat has altered appearance

P wave may mush into t wave

R-R may vary slightly

Question 4

A Flutter

Answer 4

P wave sawtooth
More than one P wave before QRS
R-R intervals varies

Question 5

A Fib

Answer 5

P waves absent (wavy baseline)

R-R irregular

Question 6

Sinus Tachycardia

Answer 6

Same as NSR except

Rate over 100