Update 2026 | Exam Prep PDF | Graded A+
What are the four qualities of cardiac cells? - correct answerAutomaticity, contractility,
conductivity, and excitability
A heart attack is worse for the system if it occurs in what ventricle? - correct answerLeft
What system transfers the electrical beat through the heart? - correct answerIntranodal
tracts
What is the travel path of the heart beat? - correct answerSA, AV, bundle of his,
perkinjie fibers
What beat does the SA node fire at? - correct answer60-100
What beat does the AV node fire at? - correct answer40-60
What do the bundle of his or purkinjie fibers fire at? - correct answer20-40
What do you want to do if cardiac muscle is damaged? - correct answerDecrease heart
work or heart rate and put on beta blockers like metoprolol
What is the indicator of a beta blocker? - correct answer-olol
How do you calculate cardiac output? - correct answerHR x SV
How do blockages decrease contraciltity? - correct answerThey kill tissue which results
in scar tissue which isn't elastic
How many bpm is sinus tach? - correct answer100-150
How many bpm is SVT? - correct answer150+
How man bpm is sinus? - correct answer60-100
How many bpm is sinus brady? - correct answer40-60
How can you tell the difference between v fib and v tach? - correct answerV fib is
everywhere, v tach is consistent
How can you tell a 3rd degree? - correct answerPs and Qs dont agree
, How do you tell a 1st degree block? - correct answerProlonged PR interval
How do you tell a second degree type 1? - correct answerLonger longer longer drop,
wenkebach (2nd degree type 1)
How do you tell a second degree type 2? - correct answerNot all p waves have a QRS
What does a PAC look like vs PVC? - correct answerPACs have a riased p wave while
PVCs don't have P waves
What can cause atrial rythms? - correct answerDrugs, myocarditis, paracarditis, CHF,
CVD, MI, Hyperthyroid, electrolyte imbalance
What do drugs cause that cause dystrythmias? - correct answerMyocarditis and
paracarditis
SVT is caused by? - correct answerCHF, CVD, hyperthyroid, electrolyte imbalance, MI,
drugs, alchohol, myocarditis and paracarditis
What causes heart blocks? - correct answerCongenetal defects, hypoxia, CHF,
medication and surgery
What causes PACs and PVCs? - correct answerHypoxia, surgery, CHF, electrolyte
imbalances, and drugs
V tach and V fib are caused by? - correct answerHypoxia, MI, electrolyte imbalances,
QT prolongation
What is the rate for rescue breaths? - correct answer6-8 seconds a breath
What is the bpm for chest compressions? - correct answer100-120
Everyone in a code gets? - correct answerEpi
What does epi do? - correct answerVasocinstricts
What is the first line defense for HTN? - correct answerDiuretics
What must the patient have for diuretcs? - correct answerWorking kidneys
What is the most common loop duiretic? - correct answerLasix
What do beta blockers do? - correct answerdecrease BP, HR and lower O2
consumption