Ps and qs dont agree Study guides, Class notes & Summaries

Ps and Qs don't agree Correct Answer Third degree heart block Third degree block Correct Answer no P wave for every Complex no constant PR interval Sx: hypotension, angina, HF Cause: Rheumatic fever, hypoxia, MI, dig toxicity, beta blocker overdose Tx: Epi drip to increase heart rate, permanent pacemaker First degree block Correct Answer prolong PR interval Cause: hyper/hypokalemia, dig toxicity, Ca.Channel Blockers, amiodarone Tx: Atropine Torsades de pointes Correct Answer twis...

What are the four qualities of cardiac cells? Automaticity, contractility, conductivity, and excitability A heart attack is worse for the system if it occurs in what ventricle? Left What system transfers the electrical beat through the heart? Intranodal tracts What is the travel path of the heart beat? SA, AV, bundle of his, perkinjie fibers What beat does the SA node fire at? 60-100 What beat does the AV node fire at? 40-60 What do the bundle of his or purkinjie fibers fire at? 20-40 Wha...