Values to know

Question 1

Cardiac index (what is, avg at rest)

Answer 1

Cardiac index normalizes cardiac output for size. Avg at rest is 3.1 liters/min/sq m

Question 2

Venous pressure

Answer 2

5 mmHg

Question 3

Right atrial pressure (avg)

Answer 3

2 mmHg

Question 4

Right ventricle pressure (systolic)

Answer 4

25 mmHg

Question 5

Right ventricle pressure (end diastolic)

Answer 5

2 mmHg

Question 6

Pulmonary artery pressure (systolic)

Answer 6

25 mmHg

Question 7

Pulmonary artery pressure (diastolic)

Answer 7

10 mmHg

Question 8

Pulmonary artery (avg, also, closer to systolic or diastolic pressure and why?)

Answer 8

15 mmHg (it’s closer to diastole b/c we spend more time in diastole)

Question 9

Pulmonary wedge (avg, also, what is?)

Answer 9

Pulmonary wedge is a balloon that occludes the pulmonary artery and is equivalent fo the L atrial pressure. 6mmHg

Question 10

Left atrial pressure (avg)

Answer 10

6 mmHg

Question 11

Left ventricle pressure (systolic)

Answer 11

120 mmHg

Question 12

Left ventricle pressure (diastolic)

Answer 12

6 mmHg

Question 13

Brachial artery pressure (avg)

Answer 13

95 mmHg

Question 14

Nl PR-interval

Answer 14

0.12 - .20 seconds

Question 15

Nl QRS interval

Answer 15

0.07 - 0.10 seconds

Question 16

Nl QT-interval

Answer 16

0.25 - 0.43 seconds

Question 17

Tachycardia

Answer 17

100 bpm (less than 3 boxes between R waves)

Question 18

Bradycardia

Answer 18

60 bpm (more than 5 boxes between R waves)

Question 19

Nl blood potassium levels, hyperkalemia, and hypokalemia

Answer 19

Nl blood K: 3 - 5 mmol. Hyperkalemia: >5.5, Hypokalemia: <3

Question 20

Nl hematocrit level

Answer 20

35-50% hematocrit in blood is nl