Rhythms

Question 0

Sinus Bradycardia

Answer 0

s

Question 1

Normal Sinus

Answer 1

60-100, regular, narrow QRS with uniform upright P’s

Question 2

Sinus Tachycardia

Answer 2

> 100, s

Question 3

Sinus Arrhythmia

Answer 3

HR variable, narrow QRS with uniform upright P’s, irregular

Question 4

Sinus with SA Block

Answer 4

Missing one complete PQRST Cycle

- rhythm will still plot out regular other than missing cycle

Question 5

Sinus with Sinus Arrest

Answer 5

Missing more than one complete PQRST cycle

Question 6

Supra Ventricular Tachycardia (SVT)

Answer 6

> 180 narrow QRS, regular, P waves not seen (hidden in T’s)

- form of AVNRT

Question 7

Multi-Focal Atrial Tachycardia

Answer 7

101-170ish, irregular, narrow QRS with different shape/size P’s

Question 8

Atrial Tachycardia

Answer 8

100-180, narrow QRS, regular, P-waves seen but irregularly shaped and typically all the same size

Question 9

Atrial Fibrillation (narrow)

Answer 9

Irregularly irregular, HR varies, no discernible P-waves, fibrillation waves, QRS may be regular or irregular

Question 10

Atrial Fibrillation with RVR

Answer 10

> 100, irregularly irregular, HR varies but sustained tachycardia, no discernible P-waves, fibrillation waves, QRS may be regular or irregular

Question 11

PAC’s

Answer 11

Come early before next expected beat, non-conducted, no QRS

• coupled: two
• bigeminal: every other
• trigeminal: every 3rd