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Fundamentals of ECG and Basic Dysrhythmias_ Part 1 - A and P and ECG (1).
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Fundamentals of ECG and Basic Dysrhythmias_ Part 1 - A and P and ECG (1).
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Fundamentals of ECG and Basic Dysrhythmias: Part1 - A and P and ECG
Depolarization of both right and left atria - ANS-What does the P wave represent?
True - ANS-A waveform is movement away from the baseline in either positive or negative
direction.
Volume of blood in ventricles - ANS-What affects preload?
SA node - ANS-Ectopic P waves may be upright or inverted and originate from somewhere
other than the
Lead 1 - ANS-Which of the following leads would you use to monitor atrial rhythms and hemi
blocks?
QRS to peak of the T wave - ANS-What interval measurement represents the complete
refractory period?
Electricity flowing from the heart towards a positive electrode - ANS-The ECG produces an
upright pattern on the paper in response to what?
False - ANS-The QRS is smaller than the P wave.
False cardiac waveforms - ANS-What are ECG artifacts?
True - ANS-ECGs are used to monitor the effects of new medications.
Ventricular depolarization involves greater muscle mass than atrial depolarization. - ANS-Why is
the QRS larger than the P wave?
One cardiac cycle - ANS-The electrocardiogram (ECG) complex represents the electrical events
occurring in _____.
Lead II - ANS-Which of the following leads would be helpful for detecting sinus node and atrial
arrhythmias?
Potassium - ANS-Which of the following is an important electrolyte that affects cardiac function?
True - ANS-The QRS complex in the modified chest lead 1 (MCL1) can be negative and still be
normal.
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