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Sinus bradycardia: Quiz


Question 1: Sinus ________ is a heart rhythm that originates from the sinus node and has a rate of under 60 beats per minute.
TachycardiaMyocardial infarctionBradycardiaAtrial fibrillation

Question 2: It may be secondary to infections like ________, acute rheumatic fever, viral myocarditis.

Question 3: People who regularly practice sports may have sinus bradycardia, because their trained hearts can pump enough blood in each contraction to allow a low ________.
Heart rateCirculatory systemPulseBlood pressure

Question 4: An effect of drugs, such as the use of digitalis, ________, or quinidine.
GuanethidineAntianginalBeta blockerClonidine

Question 5: ________: Less than 0.12 seconds in width, and consistent in morphology.
Cardiopulmonary resuscitationElectrocardiographyBlood pressureCirculatory system

Question 6: The decreased heart rate can cause a decreased cardiac output resulting in symptoms such as lightheadedness, dizziness, ________, vertigo, and syncope.
HypertensionAortic dissectionPulmonary hypertensionHypotension

Question 7: ________: Between 0.12-0.20 seconds in duration.
Blood pressureElectrocardiographyCirculatory systemCardiopulmonary resuscitation


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