Term
| Normal Sinus Rhythm (NSR) |
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Definition
| Atrial Rate is 60-100/min; PR interval is .12 or greater |
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Term
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Definition
| Atrial Rate is 101-150/min; PR interval is .12 or greater |
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Term
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Definition
| Atrial Rate is less than 60/min; PR interval is .12 or greater |
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Term
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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 |
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Term
| Premature Atrial Beat (PAB) |
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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 |
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Term
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Definition
| Atrial rate is 251-400/min; P-P is regular; R-R is irregular is regular; Sawtooth baseline |
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Term
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Definition
| R-R is irregular; P waves are unidentifiable |
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Term
| First Degree AV Block (1 AVB) |
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Definition
| every P wave is followed by a QRS; PR interval is greater than .20 seconds; P-P is regular; R-R is regular |
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Term
| Second Degree AV Block-Mobitz type I (Wenkebach) |
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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 |
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Term
| Second Degree (AV) Block-Mobitz Type II |
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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) |
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Term
| Third Degree Heart Block/Complete Heart Block (CHB) |
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Definition
| P-P interval is regular; R-R interval is regular; PRI varies |
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Term
| Premature Ventricular Beat (PVB) |
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Definition
| an early QRS complex with no associated P wave; QRS is wide and bizarre (greater than .10) |
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Term
| Idioventricular Rhythm (agonal) |
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Definition
| QRS complexes are wide and bizarre; No associated P waves; R-R is usually regular; Ventricular rate is less than 40/min |
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Term
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Definition
| QRS complexes are wide and bizarre; no associated P waves; R-R is usually regular; ventricular rate is greater than 100/min |
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Term
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Definition
| wavy undulating baseline with no P waves and no QRS complexes |
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