Shared Flashcard Set

Details

Dysrhythmias
EKG
15
Nursing
Undergraduate 4
09/06/2009

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Cards

Term
Normal Sinus Rhythm (NSR)
Definition
Atrial Rate is 60-100/min; PR interval is .12 or greater
Term
Sinus Tachycardia (ST)
Definition
Atrial Rate is 101-150/min; PR interval is .12 or greater
Term
Sinus Bradycardia (SB)
Definition
Atrial Rate is less than 60/min; PR interval is .12 or greater
Term
Sinus Arrhythmia (SA)
Definition
P-P is irregular in pattern; difference b/t shortest P-P and longest P-P is 3 blocks; PR is at least .12
Term
Premature Atrial Beat (PAB)
Definition
Early, premature P wave; QRS complex can be present or absent; If QRS is present, PRI is .12 or greater; occurs in conjunction with a sinus rhythm
Term
Atrial Flutter (AF)
Definition
Atrial rate is 251-400/min; P-P is regular; R-R is irregular is regular; Sawtooth baseline
Term
Atrial Fibrillation (Af)
Definition
R-R is irregular; P waves are unidentifiable
Term
First Degree AV Block (1 AVB)
Definition
every P wave is followed by a QRS; PR interval is greater than .20 seconds; P-P is regular; R-R is regular
Term
Second Degree AV Block-Mobitz type I (Wenkebach)
Definition
Gradual lengthening of PRI until a QRS is dropped (P wave w/o a QRS); P-P is regular; R-R is irregular (a pattern of grouped beats followed by a pause); PRI may be prolonged; QRS is usually a normal length
Term
Second Degree (AV) Block-Mobitz Type II
Definition
Every P wave is not followed by a QRS; PR interval is constant and frequently normal; P-P is regular; R-R is regular or irregular; QRS is usually wide (greater than .10)
Term
Third Degree Heart Block/Complete Heart Block (CHB)
Definition
P-P interval is regular; R-R interval is regular; PRI varies
Term
Premature Ventricular Beat (PVB)
Definition
an early QRS complex with no associated P wave; QRS is wide and bizarre (greater than .10)
Term
Idioventricular Rhythm (agonal)
Definition
QRS complexes are wide and bizarre; No associated P waves; R-R is usually regular; Ventricular rate is less than 40/min
Term
Ventricular Tachycardia
Definition
QRS complexes are wide and bizarre; no associated P waves; R-R is usually regular; ventricular rate is greater than 100/min
Term
Ventricular Fibrillation
Definition
wavy undulating baseline with no P waves and no QRS complexes
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