Hemodynamics is the study of blood flow and how the heart pumps blood throughout the body. Hemodynamics is an intricate field of study in medicine that involves elements of biology, chemistry, and physics. In terms of cardiovascular physiology, hemodynamics is concerned with the forces the heart must develop and maintain to properly circulate blood through the cardiovascular system. These forces include blood pressure and blood flow. Any change or interruption in hemodynamic forces can lead to serious health consequences, including diseases and disorders such as hypertension or congestive heart failure. As a result, testing for hemodynamic instability is often a critical tool in the diagnosis of cardiac ailments and other medical conditions. Various invasive and noninvasive methods of assessment can be used to determine whether a patient is hemodynamically unstable. In the event that a patient is hemodynamically unstable, mechanical or pharmacological support may be required to normalize cardiac output.
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