EKG Final Exam
A heart rate greater than 100 is said to be a ______________.
bundle branch block
tachycardia
bradycardia
myocardium - - tachycardia
When some sinus impulses get through to ventricles and some do not, resulting in dropped beats, it
is considered to be what kind of AV block?
s...
EKG Final Exam A heart rate greater than 100 is said to be a ______________. bundle branch block tachycardia bradycardia myocardium - - tachycardia When some sinus impulses get through to ventricles and some do not, resulting in dropped beats, it is considered to be what kind of AV block? second-degree block third-degree block complete heart block first-degree block - - .second-degree block Somatic tremor artifact is commonly caused by _______________. electrical interference respirations patient movement lotion on the skin interfering with the signal - - .patient movement Atrial fibrillation has _______________. P waves of multiple shapes no P waves at all P waves with uniform shape sawtooth -shaped waves between the QRS complexes - - no P waves at all Which of the following statements about the right atrium is true? It is a receiving chamber for oxygenated blood returning from the lungs. It is the receiving chamber for deoxygenated blood coming from the vena cava. It is the major pumping chamber of the heart. It is about 100% saturated with oxygen. - - xxIt is a receiving chamber for oxygenated blood returning from the lungs. It is the receiving chamber for deoxygenated blood coming from the vena cava. Ventricular relaxation occurs during ____________. systole diastole between the lubb and dub of the heart sounds low blood pressure - - diastole An abnormal heart rhythm resulting from impulses coming from a locus of tissue in the area of the atrioventicular node is called _______. junctional rhythm bundle branch block myocardial infarction atrial infarct - - junctional rhythm if the patient's rhythm changes, what should you do FIRST? look for P waves calculate the heart rate, rhythm, and intervals assess your patient for signs of decreased cardiac output change the lead to see if the rhythm is real or if it's artifact - - assess your patient for signs of decreased cardiac output When there is a delay in transmission of sinus impulses to the ventricle resulting in a prolonged PR interval, the AV block is considered to be a _________. second-degree block third-degree block complete heart block first-degree block - - first-degree block
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