Use VF protocol

Fig. 24.2 (continued)

volume load and can be excessive, e.g. when there is valvular incompetence.

• Afterload refers to the load on the contracting ventricle created by the resistance to the blood injected by the ventricle into the arterial system, i.e. the total peripheral resistance. Afterload is thus a pressure load and is excessive, e.g. in arterial hypertension.

• Contractility refers to the capacity of the myocardium to generate the force necessary to respond to preload and to overcome afterload.

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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