Cardiac Dysrhythmias Part 2 Exaam Questions with 100% Complete Solutions, Rated A+

1st Heart Block characteristics - cORRECT sOLUTION -prolong PR interval .20 on EKG. -pt. asymptomatic 1st Heart Block causes - cORRECT sOLUTION MI, CAD, rheumatic fever, hyperthyroid, electrolyte, vagal stimulation, drugs (dig, BETAS, CCB's, Flecainide) 1st Heart Block treatments - cORRECT sOLUTION no tx. monitor for changes 2nd Heart Block Type 1 characteristics - cORRECT sOLUTION -PR interval progressively gets longer until QRS drops, then repeat -going, goingg, goinggg, gone 2nd Heart Block Type 1 causes - cORRECT sOLUTION -dig and Betas -after heart attack -CAD -other cardiac issues 2nd heart block type 1 treatment - cORRECT sOLUTION -atropine -temp pacemaker if had MI 2nd heart block type 1 pt teach - cORRECT sOLUTION s/s- fatigue, SOB, dizzy, confused, decreased cardiac output -may be asymptomatic -may progress to 2nd 2nd heart block type II characteristics - cORRECT sOLUTION -PR interval constant but QRS complex drop every 2nd, 3rd, or 4th beat or vary 2nd heart block type II causes - cORRECT sOLUTION - rheumatic heart disease -CAD -anterior MI -drug toxicity (Prodysrythmias) 2nd heart block type II treatment - cORRECT sOLUTION -temp pacemaker, or permanent pacemaker if pt. symptomatic (hypotension, angina) 2nd heart block type II pt teaching - cORRECT sOLUTION 2:1 block worse then a 4:1 block. -pt symptomatic due to decreased HR -may progress to 3rd 3rd heart block characteristics - cORRECT sOLUTION -No correlation between atrial and ventricular contraction (P&QRS) -Wide QRS complex coming from ventricles 3rd heart block causes - cORRECT sOLUTION -heart disease -CAD and MI -myocarditis -cardiomyopathy -amyloidosis and scleroderma -meds (dig, B blockers, CCB's) 3rd heart block treatments - cORRECT sOLUTION -need pacemaker -atropine, dopamine, epi until pacemaker is in