Definition

1. Noun:
   • The space between the layers of the pericardium: The pericardial cavity is the potential space located between the two layers of the pericardium, the serous membrane that surrounds the heart.
   • A fluid-filled compartment: This cavity contains a small amount of serous fluid that lubricates the surfaces of the pericardial layers, reducing friction and allowing the heart to move easily during contraction and relaxation.

Usage Examples

• Noun:
  • Inflammation can cause fluid to accumulate in the pericardial cavity, a condition known as pericardial effusion.
  • The lubricating fluid within the pericardial cavity is essential for the heart's smooth, frictionless movement.

Advanced Usage

• "To drain the pericardial cavity": A medical procedure to remove excess fluid from this space.
  • The surgeon had to drain the pericardial cavity to relieve pressure on the heart.

Variants and Related Words

• Pericardium (noun): The double-walled sac that contains the heart and the roots of the great vessels, and whose layers form the pericardial cavity.
  • The pericardium is a protective membrane.
• Pericardial (adjective): Of or relating to the pericardium.
  • The patient was diagnosed with pericardial disease.

Synonyms

• Pericardial space: A less common but synonymous term for the pericardial cavity.

Related Phrases

• Pericardial effusion: The abnormal accumulation of fluid in the pericardial cavity.
  • An ultrasound confirmed the presence of a pericardial effusion.
• Cardiac tamponade: A critical condition where fluid in the pericardial cavity puts excessive pressure on the heart, impairing its function.
  • The rapid buildup of blood in the pericardial cavity led to cardiac tamponade.

Noun

1. the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement