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26 Cards in this Set
- Front
- Back
- 3rd side (hint)
NORMAL SINUS RHYTHM
|
RATE: 60 - 100
PR: IS CONSISTANT WITH A NARROW QRS |
Rhythm: Regular
Rate: 60-100 P waves: Normal in configuration and direction; one P wave precedes each QRS complex PR: Normal (0.12 - 0.20seconds) QRS: Normal (0.10 seconds or less) |
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SINUS TACHYCARDIA
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RATE: 100 - 160
PR IS CONSISTANT NARROW QRS |
Rhythm: Regular
Rate: 100 160 P waves: Normal in configuration and direction; one P wave precedes each QRS complex PR: Normal (0.12 0.20 seconds) QRS: Normal (0.10 seconds or less |
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SINUS BRADYCARDIA
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RATE: 40 - 60
PR IS CONSISTENT NARROW QRS |
Rhythm: Regular
Rate: 40 60 P waves: Normal in configuration and direction; one P wave precedes each QRS complex PR: Normal (0.12 0.20 seconds) QRS: Normal (0.10 seconds or less) |
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SINUS ARRHYTHMIA
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RHYTHM IS IRREGULAR
PR IS CONSISTENT NARROW QRS |
Rhythm: Irregular
Rate Normal (60 100) or slow (less than 60) P waves: Normal in configuration and direction; one P wave precedes each QRS complex PR: Normal (0.12 0.20 seconds) QRS: Normal (0.10 seconds or less) |
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SINUS ARREST AND SINUS EXIT BLOCK
SINUS ARREST:underlying rhythm does not resume on time after the pause; the length of the pause is not a multiple of the underlying P-P (or R-R) interval SINUS BLOCK: underlying rhythm resumes on time after the pause, with the length of the pause being a multiple of the underlying P-P (or R-R) interval |
PAUSE WITH A FLAT BASLINE
PR ABSENT DURING PAUSE NARROW QRS |
Rhythm: underlying rhythm usually regular; irregular during pause
Rate: Underlying rhythm maybe normal (60-100) or slow (less than 60) P waves: Sinus P waves present with underlying rhythm; PR absent during pause PR: Normal duration (0.12-0.20 seconds) with underlying rhythm; PR absent during pause QRS: Normal (0.10 seconds or less) with underlying rhythm; QRS absent during pause |
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PREMATURE JUNCTIONAL CONTRACTION
(PJC) |
PR is short, inverted, none or after the QRS
QRS is narrow and happens to early |
Rhythm: underlying rhythm usually regular; irregular with PJCs
Rate: rate is that of underlying rhythm P waves: P wave associated with the PJC will be inverted in Lead II and will occur immediately before QRS, immediately after the QRS, or will be hidden within the QRS complex PR: short (0.10 seconds or less) QRS: normal (0.10 seconds or less) |
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JUNCTIONAL RHYTHM
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Rate is 40 - 60
PR is short, inverted, none, or after the QRS narrow QRS |
Rhythm: regular
Rate: 40-60 P waves: inverted in lead II and occurs immediately before the QRS, immediately after the QRS, or is hidden within the QRS complex PR: short (0.10 seconds or less) QRS: normal (0.10 seconds or less) |
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ACCELERATED JUCTIONAL RHYTHM
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RATE is 60 - 100
PR is short, inverted,none or after the QRS narrow QRS |
Rhythm: regular
Rate: 60-100 P waves: inverted in Lead II and occurs immediately before the QRS, immediately after the QRS, or hidden within the QRS complex PR: short 0.10) seconds or less) QRS: normal (0.10 seconds or less) |
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PAROXSYMAL JUNCTIONAL TACHYCARDIA
(PJT) |
Rate > 100
PR is short,inverted,none or after the QRS narrow QRS |
Rhythm: regular
Rate: over 100 per minute P waves: inverted in Lead II and occurs immediately before the QRS immediately after the QRS, or hidden within the QRS complex PR: short (0.10 seconds or less) QRS: normal (0.10 seconds or less) |
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WANDERING ATRIAL PACEMAKER
(WAP) |
Rhythm is irregular
P waves all look different |
Rhythm: Regular or Irregular
Rate: usually normal (60-100) but maybe slower P waves: vary in size and shape and direction across rhythm strip PR: may vary slightly depending on the changing pacemaker location QRS: Normal (0.10 seconds or less) |
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PREMATURE ATRIAL CONTRACTION
(PAC) |
P waves
narrow QRS that happens early |
Rhythm: underlying rhythm usually regular, irregular with PACs
Rate: heart rate is that of underlying rhythm P waves: P wave associated with PAC is premature and abnormal in size shape or direction (in lead II P wave is usually upright (often pointed), or it maybe inverted); abnormal P waves often found in preceding T waves, distorting the T wave contour PR: Normal or Prolonged usually differs from that of underlying rhythm. QRS: Normal (0.10 seconds or less) |
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NONCONDUCTED PACs
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P waves with no compensating QRS
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Rhythm: Underlying rhythm usually regular; irregular with non conducted PACs
Rate: heart rate is that of underlying rhythm P waves: P wave associated with the non conducted PAC is premature, and abnormal in size, shape or direction; often found hidden in preceding T wave contour PR: absent with nonconductive PAC QRS: Absent with nonconductive PAC |
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PAROXYSMAL ATRIAL TACHYCARDIA
{ASLO CALLED SVT} |
Rate is > 140 no visible P waves
narrow QRS |
RHYTHM: regular
Rate: Atrial 140-250 Ventricular 140-250 P waves: abnormal (often pointed); usually hidden in preceding T waves PR: not measurable QRS: normal (0.10 seconds or less) |
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ATRIAL FLUTTER
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sawtooth waves
narrow QRS put down conduction rate 2:1 3:1 4:1 |
Rhythm: regular or irregular (depends on AV conduction Ratios)
Rate: Atrial 250-400 Ventricular: varies with number of impulses conducted through AV node will be less than Atrial rate P waves: V- shaped wave forms with sawtooth appearance called flutter waves PR: not measurable QRS: Normal (0.10 seconds or less) |
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ATRIAL FIBRILLATION
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RHYTHM IRREGULAR-IRREGULAR
WIDE QRS |
Rhythm: Grossly irregular (unless the ventricular rate is very rapid, in which case the rhythm becomes more regular)
Rate: Atrial rate: 400 or more not measurable on surface ecg Ventricular rate: varies with number of impulses conducted through AV node ventricles P waves: Irregular wavy deflections called fibrillatory waves (f waves) PR: not measurable QRS: normal (0.10seconds or less) |
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BUNDLE BRANCH BLOCK
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QRS > .12
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Rhythm: Regular
Rate: Rate is that of Underlying rhythm (usually sinus) P waves: Sinus Pr: Normal (0.12 0.20 seconds) QRS: Wide (0.12 seconds or greater) |
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PREMATURE VENTRICULAR CONTRACTIONS
(PVCs) |
happens to soon
wide QRS it can be monophasic ^^, or multifocal ^v |
Rhythm: underlying rhythm usually
regular; Irregular with PVC Rate: rate is that of underlying rhythm P waves: none associated with the Underlying rhythm can occasionally be seen before the PVC or after the PVC in the ST segment or T wave PR: not measurable QRS: Premature, wide (0.12 seconds or greater), and abnormal (differ from the QRS complexes of the underlying rhythm) |
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VENTRICULAR TACHYCARDIA
(V TACH) |
RATE IS >100
WIDE QRS |
Rhythm: regular
Rate: 140 - 250 P waves: No P waves are associated with ventricular tachycardia. How- ever, the SA node continues to beat independently and sinus P waves may occasionally be seen between the QRS complexes. Usually the P waves Are hidden in the QRS. PR: not measurable QRS: wide (0.12 seconds or greater) |
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VENTRICULAR FIBRILLATION
(V FIB) |
RHYTHM IS CHAOTIC
wode QRS |
Rhythm: Chaotic; irregular deflections
Rate: 0 (P waves and QRS complexes are absent) P waves: Absent; deflections seen are Chaotic, irregular undulations that vary in size, shape, and height; deflections may be small (described as coarse) PR: not measurable QRS: Absent |
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IDIOVENTRICULAR RHYTHM
(VENTRICULAR ESCAPE RHYTHM) |
RATE is 40 - 60
wide QRS |
Rhythm: usually regular
Rate: 30 40 (sometimes slower) P waves: absent PR: not measurable QRS: wide (0.12 seconds or greater) |
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ACCELERATED IDIOVENTRICULAR RHYTHM
(ACC IVR) |
rate >40-<100
wide QRS |
Rhythm: usually regular
Rate:50 100 P waves: absent PR: not measurable QRS: wide (0.12 seconds or greater) |
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VENTRICULAR STANDSTILL
(VENTRICULAR ASYSTOLE) |
P waves with no compensating QRS or flatline
|
Rhythm: 0 (no QRS complexes are
Present) Rate: 0 (no QRS complexes are Present) P waves: ECG tracing will show either P waves without QRS complexes or a straight line. PR: not measurable QRS: absent |
|
FIRST-DEGREE AV BLOCK:
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PR >.20
|
Rhythm: Regular
Rate: Heart rate is that of underlying rhythm (usually sinus); both atrial and ventricular rates will be the same P waves: Sinus; one P wave to each QRS PR: Prolonged (greater than 0.20 seconds); remains constant QRS: Normal (0.10 seconds or less) |
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SECOND-DEGREE AV BLOCK (MOBITZ I)
(WENCKEBACH) |
PR lengthening and dropped beat
|
Rhythm: Atrial: regular
Ventricular: irregular Rate: Atrial: Rate is that of underlying rhythm (usually sinus) P waves: Sinus PR: PR varies> PR progressively lengthens until a P wave occurs without a QRS. A pause follows the dropped QRS. QRS: Normal (0.10 seconds or less) |
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SECOND-DEGREE AV BLOCK (MOBITZ II)
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PR consistent with too many P waves
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Rhythm: Atrial: regular
Ventricular: will be regular unless the AV conduction ratio varies Rate: Atrial: Rate is that of underlying rhythm (usually sinus) Ventricular: Rate will depend on number of impulses conducted through AV nove--will be less than the atrial rate P waves: Sinus; two or three P waves (sometimes more) before each QRS PR: Maybe normal or prolonged; remains constant QRS: Normal (if block located in bundle of His) Wide (if block located in bundle branches) |
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THIRD- DEGREE AV BLOCK
(COMPLETE HEART BLOCK) |
Variable PR
QRS march out,P waves march out and can be hidden in the QRS and T waves |
Rhythm: Atrial: Regular
Ventricular: Regular Rate: Atrial: Rate is that of underlying rhythm (usually sinus) Ventricular: Rate is between 40 and 60 if paced by AV node. Rate is between 30 and 40 if paced by ventricles P waves: Sinus P wavesno constant relationship between P waves and QRS. (P waves can be seen marching through QRS complexes and T waves.) PR: Varies greatly QRS: Normal (if block located at level of AV node or bundle of His) Wide (if block located at level of bundle branches) |