RIGHT. THERE IS NO P-R INTERVAL. NO. THERE IS NO P-R INTERVAL. RIGHT. THERE IS NO RELATIONSHIP BETWEEN THE P WAVES AND THE QRS COMPLEXES. THEY ARE INDEPENDENT RHYTHMS ORIGINATING FROM SEPARATE PACEMAKERS. NO. THIS IS NORMAL SINUS RHYTHM WITH 3RD DEGREE HEART BLOCK. THERE IS NO RELATIONSHIP BETWEEN THE P WAVES AND THE QRS COMPLEXES. THEY ARE INDEPENDENT RHYTHMS ORIGINATING FROM SEPARATE PACEMAKERS. RIGHT. THESE ARE ALL POSSIBLE TREATMENTS WITH THE PACKEMAKER BEING THE DEFINITIVE ONE. NO. THESE ARE ALL POSSIBLE TREATMENTS WITH THE PACEMAKER BEING THE DEFINITIVE ONE. RIGHT. THERE ARE APPROXIMATELY 22 SMALL BLOCKS BETWEEN QRS COMPLEXES. NO. THERE ARE APPROXIMATELY 22 SMALL BLOCKS BETWEEN QRS COMPLEXES. RIGHT. THE P-R INTERVAL IS 7 SMALL SQUARES LONG. NO. THE P-R INTERVAL IS 7 SMALL SQUARES LONG WHICH IS .28 SEC. RIGHT. 1ST DEGREE HEART BLOCK DOES NOT ALTER THE CARDIAC OUTPUT. NO. THIS DYSRHYTHMIA DOES NOT ALTER THE CARDIAC OUTPUT. RIGHT. DIGITALIS SLOWS THE CONDUCTION THROUGH THE A-V NODE AND SOMETIMES PROLONGS THE P-R INTERVAL. NO. DIGITALIS SLOWS THE CONDUCTION THROUGH THE A-V NODE AND SOMETIMES PROLONGS THE P-R INTERVAL. RIGHT. P WAVES AND PACEMAKER SPIKES MAY BE DIFFICULT TO SEE IN SOME LEADS. ATRIAL FIBRILLATION SOMETIMES LOOKS REGULAR. NO. ALL OF THE CONDITIONS MAY SUPERFICALLY RESEMBLE THIS DYSRHTYMIA. RIGHT. THIS IS ACCELERATED IDIOVENTRICULAR RHYTHM. NO. THIS IS ACCELERATED IDIOVENTRICULAR RHYTHM. RIGHT. THIS RHYTHM SHOWING A PAC IS NOT LIFE-THREATENING. NO. THIS RHYTHM SHOWING A PAC IS NOT LIFE-THREATENING. RIGHT. THIS IS NORMAL SINUS RHYTHM WITH A PAC. NO. THIS IS NORMAL SINUS RHYTHM WITH A PAC. CORRECT. MANY NORMAL PEOPLE HAVE P.A.T. WITH NO OTHER CARDIAC DISEASE. WRONG. MANY NORMAL PEOPLE HAVE P.A.T. WITH NO OTHER CARDIAC DISEASE. CORRECT. THE PATIENT MAY EXPERIENCE A SERIOUS REDUCTION IN CARDIAC OUTPUT. WRONG. THE RAPID RATE COULD LEAD TO A SERIOUS FALL IN CARDIAC OUTPUT.
