1-25 flashcards

Three PVCs in a row, no P wave, wide QRS, rate 100

200 bpm

Run of ventricular tachycardia

Heart can pump well, causing fluid buildup

Congestive heart failure.

Early beats from the atria

Premature atrial complexes (PACs).

Rhythms that start in the AV junction

Accelerated junctional rhythm.

Dysrhythmia means

Abnormal heart rhythm.

Sinus rhythm at 48 bpm

Bradycardia ("brady" = slow).

Structure that keeps blood flowing one direction

Valves.

One small square on EKG paper represents

0.04 seconds.

A junctional tachycardia is

Irregular.

QRS measurement for a PAC

Less than 0.12 seconds.

Typical rate of a junctional escape rhythm

40

60 bpm.

Which of the following describes characteristics of atrial fibrillation?

No clear P waves, irregular rhythm, PR not measurable, QRS < 0.12 sec.

Which of the following describes characteristics of atrial flutter?

Atrial rate of 250-300 bpm, regular P-P and R-R intervals, PR interval not measurable, more than

one P wave per QRS complex

Small wave that appears after T and before P

U wave.

A complete EKG typically consists of

12 leads.

PVCs that look the same

Unifocal.

PVCs that look different

Multifocal.

Flat line from end of P to start of QRS

PR segment.

What improves electrode contact?

Removing body hair.

Goal of defibrillator use

Normalize the heart rhythm.

What causes artifact on an EKG?

Patient movement.

Hardening of artery walls

Arteriosclerosis.

QRS duration in supraventricular tachycardia (SVT)

Less than 0.12 seconds.

Electrical signal completely blocked between atria & ventricles

Third-degree heart block.

Sign of decreased cardiac output

Fatigue.