What will an increased preload produce?  Choose all that apply.

Cardiac Cycle.png In the picture, what is happening at location 3 (where pressure lines cross within the circle).

What is the correct order of the initiation and spread of the electrical impulse through the heart?

While observing another patient, their ECG begins to look like this: ECG 2 Picture.jpg What is TRUE concerning this ECG?

True or False?  Varicose veins occur when the valves within veins become damaged.  Blood collects within a portion of the vein, especially in the lower limbs.  

The tricuspid valve is located between which two structures?

Which of the following does NOT describe cardiac muscle tissue?  

What is end systolic volume (ESV)?

For the following changes, identify its effect on mean arterial pressure (MAP).  Some answer may be used more than once or not at all.  

Blood traveling through the pulmonary trunk is in which state of oxygenation?