Of the ECG traces shown on the back of this page, which one represe.pdf

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Not sure really where to start Let TA:R3 rightarrow R2 be the matrix transformation associated with a matrix A, and suppose that TA(1,1,0) = (3,-7), TA(1,-1,0) = (5,9), TA( 1,1,1) = (6,-4). Find the matrix A. Solution The final matrix is equal to (2X1) Hence the matrix A must be of order 2 X 3 so when multiplied by 3X1 vector will result into 2X1 vector using the first relation we get From first relation a + b = 3 d + e = -7 From second relation a - b = 5 d - e = 9 From third relation a + b + c = 6 d + e + f = -4 We get after solving these 6 equations, the values as follows a = 4, b = -1 d = 1, e = -8 c = 3, f = 3 Hence the A matrix which is 3X2 matrix is equal toabcdef.

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Of the ECG traces shown on the back of this page, which one represents Leo's condition? d.
In one complete sentence, explain your answer to (c). Include specifically how the lack of a
functional SA node connects with what the abnormal components of the ECG represent. Alice is
a 39-year-old ultra-marathoner who has been experiencing several bouts of lightheadedness and
dizziness. Her cardiologist tells her that her AV node is damaged and is no long-conducting
electrical signals through her heart consistently. a. Of the ECG traces on the back of this page,
which one represents Alice's condition? b. In one complete sentence, explain your answer to
(b). Include specifically how damage the AV node connects with what the abnormal components
of the ECG represent.
Solution
To answer to the first part of the question it is diagram E of the ECG represents the damage to
the AV node. The second part of the question damage to the AV node can be seen in the change
of intervals in P-R interval on the ECG.

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