V-A ECMO

Kei Sato1,2, Silver Heinsar1,2,3,4, Jonathan Chan5,6

  • 1Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland, Australia.

概括

一个新的回声心脏学参数,压力-应变产品 (PSP),显示出对在V-A ECMO.上对心脏性休克患者的血液动力学负荷进行非侵入性评估的希望. 这种方法可能为侵入性测量提供可靠的替代方案.

相关概念视频

Regulation of Stroke Volume01:27

Regulation of Stroke Volume

The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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Cardiac Output and Stroke Volume01:11

Cardiac Output and Stroke Volume

Cardiac output (CO) is an integral aspect of human physiology, reflecting the heart's efficiency and responsiveness to the body's needs. It represents the volume of blood that the left or right ventricle ejects into the aorta or pulmonary trunk each minute. The CO is calculated by multiplying the heart rate (HR)—the number of heartbeats per minute—by the stroke volume (SV)—the amount of blood pumped out with each heartbeat.
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Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
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