Understanding Coronary Blood Flow Regulation: Mechanisms & Importance

Coronary blood flow regulation:

  1. Autoregulation: Arteries adjust to pressure/flow changes.
  2. Metabolic regulation: Adenosine release during demand dilates arteries.
  3. Neural regulation: Sympathetic constriction, parasympathetic dilation.
  4. Hormonal regulation: Adrenaline constricts; NO/prostacyclin dilate.
  5. Endothelial function: NO/prostacyclin release causes dilation.

Dysregulation leads to coronary artery disease (CAD).

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