Explain how the structures of the heart engage in blood flow through the cardiac cycle.

Describe how you will determine if a patient has either venous or arterial insufficiency.

Describe lymphedema and a risk factor associated with it.

The nurse suspects a patient experiencing symptoms of dizziness, chest pain, and shortness of breath and who reports “feeling like my heart is skipping a beat” could have a partial heart block. Explain what testing the nurse may anticipate to confirm or rule out this dysfunction?