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Identify the following rhythms. 1. 2. 3. 4. 5. Answers 1. Normal sinus rhythm with PACs The underlying rhythm is regular.   The rate is 70.   There are upright P waves before each QRS complex.   There are two PACs present, the 5th and 7th complex, that have P waves that differ in morphology than the sinus beats.   PR:  .12 sec.  QRS:  .08,   QT:  .42 sec. 2. Supraventricular tachycardia The rhythm is regular.   The rate is 166.   There are not P waves present.   No ecotopy is noted.  PR:  --,  QRS:  .08,   QT:  .28. 3. Sinus bradycardia The rhythm is regular.   The rate is 55.   There are upright P waves before each QRS complex.  There are not any ectopic beats.   PR:  .20 sec,  QRS:  .06 sec,   QT:  .42 sec.  At first glance one might think that this w...

Identify the following rhythm strips. 1. 2. 3. 4. 5. Answers 1. 1st degree AV block with a PVC The underlying rhythm is regular.   There rate is  62.   There are upright P waves before each QRS complex.   There is a single PVC.   PR:  30 sec,   QRS:  .08 sec,  QT:  .36 sec 2. 1st degree AV block with a PAC The underlying rhythm is regular.   There are upright P waves before each QRS complex.  Ther is a single PAC, 4th complex, that has it's P wave hidden in the preceding T wave.   Notice the change in the morphology of the T wave as compared to the other T waves in the strip.   PR:  .32 sec, QRS:  .12 sec,  QT:  .40 sec. 3. Atrial flutter The rhythm is regular.   The rate is 63.   There are 3:1 flutter waves present.   No ectopy is noted. PR:  ---   QRS: ...

Identify the following rhythms. 1. 2. 3. 4. 5. Answers 1. Sinus arrhythmia The rhythm is irregular.   The rate is 70.   There are upright P waves before each QRS complex.  The R-R interval between the 1st and 2nd complex is .76 sec and the R-R interval between the 5th and 6th complex is .88 sec.  The PR interval is .16 sec.   QRS:  .08 sec   QT:   .44 2. Sinus bradycardia The rhythm is regular.   The rate is 57.   There are upright P waves before each QRS complex.  There are no ectopic beats.   PR:  .20 sec,  QRS:  .08 sec,  QT:  .40 sec. 3. Accelerated junctional rhythm The rhythm is regular.   The rate is 62.   There are no P waves before each QRS complex.  There are no ectopic beats.   PR:  ---    QRS:  .08 sec,   QT:  .38 sec.  Recall that the inher...

Oh Danny boy, the pipes, the pipes are calling From glen to glen, and down the mountain side The summer's gone, and all the flowers are dying 'Tis you, 'tis you must go and I must bide. Danny Boy A 94 year old admitted with chest pain. 0206:  Called to room because patient was feeling nauseated.  Patient found to be diaphoretic,  nauseated, and anxious.   Holding chest.   Became unresponsive and pulseless.   Code Blue called. 0210:  CPR initiated.   Placed on monitor.   Normal saline started. 0211:  Defibrillated at 200 joules.   Post-shock rhythm ventricular tachycardia.   CPR resumed 0213:   Epinephrine 1mg IV given.   CPR in progress.   Positive pressure ventilations adequate. 0215:  Defribrillated 300 joules.    CPR resumed.    Ventilations becoming more difficult.  Abdomen distended.  Attempted NG insertion ...

Identify the following rhythms. 1. 2. 3. 4. 5. Answers 1. Sinus tachycardia with wandering baseline The rhythm is regular with a rate of 115/min.  Upright P waves are seen before each QRS complex.   No ectopic beats are present.   There is wandering baseline.   P:  .12 sec,  QRS:  .06 sec,  QT:  .32 sec. 2. 2nd degree AV block type II The rhythm is regular.   The atrial rate is 80/min and the ventricular rate is 40/min.  Up right P waves are present but some P waves are not associated with a QRS complex.   The PR on the conducted P waves is consistent.   PR:  .16 sec,  QRS:  .10,  QT:  .40 sec. 3. Atrial fibrillation with rapid ventricular response The rhythm is irregular and the rate is 160/min.   No consistent P waves are present but some fibrillatory activity can be seen between the QRS comple...