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21 Cards in this Set
- Front
- Back
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Rate: 60-100 Rhythm: Regular P Wave: Upright and similar PRI: 0.12-0.20 second and consistent QRS: 0.04-0.10 second P:QRS Ratio: 1P for every 1QRS |
Rhythm: Normal Sinus (NSR) |
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Rate: >100 Rhythm: Regular P Wave: Upright, similar PRI: 0.12-0.20 second and consistent QRS: 0.04-0.10 second P:QRS Ratio: 1P for every 1QRS |
Rhythm: Sinus Tachycardia Possible causes: Exercise, hypovolemia, meds, fever, hypoxia, anxiety or fear, acute MI, CHF |
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Rate: <60 Rhythm: Regular P Wave: Upright, similar PRI: 0.12-0.20 second and consistent QRS: 0.04-0.10 second P:QRS Ratio: 1P for every 1QRS |
Rhythm: Sinus Bradycardia Possible causes: Intrinsic sinus node disease, increased parasympathetic tone, drug effect. |
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Rate: 60-100 Rhythm: Regular or slightly irregular P Wave: Vary in size shape and direction, at least 3 differnt morphologies must be present PRI: 0.12-0.20, may vary with P morphology QRS: <0.12 second, all the same shape P:QRS Ratio: 1P for every 1QRS |
Rhythm: Wandering Atrial Pacemaker Possible causes: Increased vagal tone on the SA node, normal in athletes, during sleep, CAD, digoxin toxicity.
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Rate: Usually <100 depending on underlying condition Rhythm: Irregular P Wave: Early & upright, different from sinus PRI: 0.12-0.20 second; different from sinus QRS: 0.04-0.10 second P:QRS Ratio: 1P for every 1QRS |
Rhythm: Premature Atrial Contractions (PAC) Possible causes: Normal, excessive use of caffeine, tobacco, or alcohol, CHF, myocardial ischemia or injury, hypokalemia (digoxin toxicity), COPD |
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Rate: Atrial 250-350, Vent 150 common Rhythm: Atrial reg, Vent reg or irregular P Wave: Not identifiable F wave: Uniform (sawtooth or picket fence) PRI: Not measurable QRS: 0.04-0.10 second P:QRS Ratio: P wave unidentifiable |
Rhythm: Atrial Flutter Possible causes: Ischemic heart disease, hypoxia, acute MI, dig tox, mitral or tricuspid valve disease, pulmonary embolism |
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Rate: Atrial 400-700, Vent 160-180 Rhythm: Atrial irregular, vent irregular P Wave: Not identifiable F Wave: May be present PRI: Not measurable QRS: 0.04-0.10 P:QRS Ratio: Not identifiable |
Rhythm: Atrial Fibrillation Possible causes: Ischemic heart disease, hypoxia, acute MI, dig tox, mitral or tricuspid valve disease |
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Rate: Usually 160-220 Rhythm: Regular P Wave: Differ in shape from sinus, usually difficult to identify because of the rate PRI: Normal when the P's can be identified QRS: 0.04-0.10 P:QRS Ratio: |
Rhythm: Paroxysmal Atrial Tachycardia Possible causes: Normal, excessive use of caffeine tobacco or alcohol, CHF, myocardial ischemia or injury, hypokalemia (dig tox), COPD |
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Rate: Usually <100, dependant on the underlying rhythm Rhythm: Irregular P Wave: Inverted before or after QRS or invisible PRI: <0.12 second when inverted P is before QRS QRS: 0>04-0.10 second P:QRS Ratio: 1P for every QRS if visible |
Rhythm: Premature Junctional Contraction (PJC) Possible causes: Normal, excessive use of caffeine tobacco or alcohol, CHF, myocardial ischemia or injury, hypokalemia (dig tox), COPD |
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Rate: 40-60 (61-100 accelerated) Rhythm: Regular P Wave: Inverted before or after QRS or invisible PRI: <0.12 second when inverted P is before QRS QRS: 0.04-0.10 second P:QRS Ratio: 1P for every 1QRS if P is visible |
Rhythm: Junctional Escape Rhythm Possible causes: Healthy athlete at rest, beta blockers calcium channel blockers dig tox, increased parasympathetictone, acute inferior wall MI, rheumatic heart disease, post cardiac surgery, valvular disease, SA node disease, hypoxia |
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Rate: 101-200 Rhythm: Regular P Wave: Inverted before or after QRS or invisible PRI: <0.12 second when inverted P is before QRS QRS: 0.04-0.10 second P:QRS Ratio: 1P for every 1QRS if P is visible |
Rhythm: Junctional Tachycardia Possible causes: Normal, excessive use of caffeine tobacco or alcohol, CHF, myocardial ischemia or injury, hypokalemia (dig tox), COPD |
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Rate: >150 Rhythm: Absolutely regular P Wave: Not visible PRI: Not measurable QRS: 0.04-0.10 second P:QRS Ratio: P's are invisible |
Rhythm: Supraventricular Tachycardia (SVT) Possible causes: Normal, excessive use of caffeine tobacco or alcohol, CHF, myocardial ischemia or injury, hypokalemia (dig tox), COPD |
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Rate: Dependant on underlying rhythm Rhythm: Irregular P Wave: Usually absent QRS: 0.12 second or greater; bizarre and notched ST & T: Often opposite in direction to the QRS |
Rhythm: Premature Ventricular Complex (PVC) Possible causes: Gastric overload, stress, caffeine alcohol or tobacco, heart disease, acid base imbalance, electrolyte imbalance, cyclic antidepressants, hypoxi, acidosis, acute MI Pattern: every other-Bigeminy, every third-trigeminy |
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Rate: 100-220 Rhythm: Regular P Wave: Not present PRI: Not measurable QRS: Wide >0.12 second, bizarre P:QRS Ratio: |
Rhythm: Ventricular Tachycardia Possible causes: Gastric overload, stress, caffeine alcohol or tobacco, heart disease, acid base imbalance, electrolyte imbalance, cyclic antidepressants, hypoxi, acidosis, acute MI |
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Rate: Irregular Rhythm: Not measurable, chaotic undulating waves P Wave: Not present PRI: Not measurable QRS: Not present P:QRS Ratio: |
Rhythm: Ventricular Fibrillation Possible causes: Acute MI, untreated V-tach, hypothermia, R-on-T PVC's, electrolyte imbalance, electrical shock |
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Rate: 20-40 (40-100 accelerated) Rhythm: Regular P Wave: Not present PRI: Not measurable QRS: >0.12 second, notched and bizarre ST & T: Opposite direction of QRS |
Rhythm: Idioventricular Rhythm Possible causes: Myocardial infarction, dig tox, metabolic imbalances, post resuscitation |
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Rate: None Rhythm: None P Wave: May be present PRI: None QRS: None P:QRS Ratio: None |
Rhythm: Asystole Possible causes: Extensive myocardial damage, acute respiratory failure, ischemia or infarction, traumatic cardiac arrest, ventricular aneurysm, countershock, hypoxia, hypothermia, hyper/hypokalemia, preexisting acidosis, drug overdose |
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Rate: Rhythm: P Wave: PRI: Prolonged 0.20 to 0.40 QRS: P:QRS Ratio: 1P for every 1QRS |
Rhythm: 1st Degree AV Block
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Rate: Rhythm: Irregular P Wave: Present PRI: Progressively increases until a P appears without a QRS QRS: P:QRS Ratio: More P's than QRS's |
Rhythm: 2nd Degree AV Block, Type I (Wenckebach) |
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Rate: Rhythm: Regular or Irregular P Wave: Present PRI: Consistent QRS: P:QRS Ratio: More P's than QRS's |
Rhythm: 2nd Degree AV Block, Type II (MobitzII) |
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Rate: Rhythm: Regular P Wave: Present upright & round PRI: Varies greatly QRS: Normal to wide P:QRS Ratio: More P's than QRS's, totally disassociated from each other |
Rhythm: 3rd Degree AV Block |
