question 13 when do most cardiac events occur relating to a gxt early in the gxt later in the gx

Name: question 13 when do most cardiac events occur relating to a gxt early in the gxt later in the gxt after the gxt 53056
Uploaded: 2022-06-18T14:20:28-08:00
Duration: 2 min 7 s
Channel: Federico Castro
Description: question 13 when do most cardiac events occur relating to a gxt early in the gxt later in the gxt after the gxt 53056

Step 1: Cardiac events are more likely to occur during or after a GXT.

Question 13 when do most cardiac events occur relating to a...

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The boxplot below shows pulse rates for a random sample of male subjects before and after exercise. Which pulse rates are more consistent overall? Before exercise After exercise Which pulse rates are more consistent in the middle 50%? After exercise Before exercise The middle pulse rate is higher for which group? After exercise Before exercise

Federico C.

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Madhur L.

Cardiac stress testing. In addition to standard exercise electrocardiography (SEE), two widely applied methods of stress testing of cardiac patients are stress echocardiography (SE) and single-photon emission computed tomography (SPECT). These methods were evaluated in the American Journal of Medical Quality (Mar./Apr. 2014). A sample of 866 heart catheterization patients in the Penn State Hershey Medical Center all received some form of stress testing prior to the catheterization. Of these, SE was performed on 272 patients, SPECT on 560 patients, and SEE on 38 patients. Four patients received both $\mathrm{SE}$ and SPECT but not SEE. Consider a patient randomly selected from those in the study. a. What is the probability that the patient received $\mathrm{SE}$ prior to the catheterization? b. What is the probability that the patient received both SE and SPECT prior to the catheterization? c. Given that the patient received SPECT, what is the probability the patient also received SE prior to the catheterization?

Transcript

00:01 In this case, we have the box box for the before and after exercise of the population of male subjects.

00:11 So which pulse rates are more consistent overall? well, this one has a large range, and this one has a range that is very similarly long.

00:21 But this one, we see that the interquartar range is tighter here.

00:26 So this might be just a simple outlier.

00:29 So i would say that the one that is more consistent is the one that is tighter, so i would go with before.

00:36 Simply because they basically have the same, oops, they have the same range.

00:41 Let me do that, same before.

00:45 They basically have the same range...

Question

Question 13 When do most cardiac events occur relating to a GXT? Early in the GXT Later in the GXT After the GXT

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