Sinus Mechanism - Sinus Tachycardia

Front 1

SINUS MECHANISM

Back 1

Rhythms That Originate in the SINUS Rhythm:

· Regular/Normal Sinus Rhythm

· Sinus Bradycardia

· Sinus Tachycardia*

· Sinus Arrhythmia

· Sinoatrial (SA) Block

· SA Arrest

Front 2

Sinus Tachycardia: Rate?

Back 2

Rate = 101-180 bpm

Front 3

Sinus Tachycardia: Rhythm?

Back 3

Same as NSR

Hint 3

Regular R-R Int and P-P Int

Front 4

Sinus Tachycardia: P-Wave?

Back 4

Same as NSR

Hint 4

Lead II

· +/Upright

· 1precedes each QRS-Complex

· P-Waves look alike

Front 5

Sinus Tachycardia: PRI?

Back 5

Same as NSR

Hint 5

PRI = 0.12-0.20 sec

Front 6

Sinus Tachycardia: QRS?

Back 6

Same as NSR

Hint 6

QRS = 0.06-0.12 sec