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Cardiac tamponade

Tamponade; Pericardial tamponade; Pericarditis - tamponade

Cardiac tamponade is pressure on the heart that occurs when blood or fluid builds up in the space between the heart muscle and the outer covering sac (pericardium) of the heart.

Causes

In this condition, blood or fluid collects in the sac surrounding the heart. This prevents the heart ventricles from expanding fully. The excess pressure from the fluid prevents the heart from working properly. As a result, the body does not get enough blood.

Cardiac tamponade can occur due to:

Other possible causes include:

Cardiac tamponade due to disease occurs in about 2 out of 10,000 people.

Symptoms

Symptoms may include:

  • Anxiety, restlessness
  • Breathing problems
  • Sharp chest pain that is felt in the neck, shoulder, back, or abdomen
  • Chest pain that gets worse with deep breathing or coughing
  • Problems breathing
  • Discomfort, sometimes relieved by sitting upright or leaning forward
  • Fainting, lightheadedness
  • Pale, gray, or blue skin
  • Palpitations
  • Rapid breathing
  • Swelling of the legs or abdomen
  • Jaundice

Other symptoms that may occur with this disorder:

  • Dizziness
  • Drowsiness
  • Weak or absent pulse

Exams and Tests

Echocardiogram is the test of choice to help make the diagnosis. This test may be done at the bedside in emergency cases.

A physical exam may show:

  • Blood pressure that falls when breathing deeply
  • Rapid breathing
  • Heart rate over 100 (normal is 60 to 100 beats per minute)
  • Heart sounds are only faintly heard through a stethoscope
  • Neck veins that may be bulging (distended) but the blood pressure is low
  • Weak or absent peripheral pulses

Other tests may include:

Treatment

Cardiac tamponade is an emergency condition that needs to be treated in the hospital.

The fluid around the heart must be drained as quickly as possible. A procedure that uses a needle to remove fluid from the tissue that surrounds the heart will be done.

A surgical procedure to cut and remove part of the covering of the heart may also be done. This is known as surgical pericardiectomy or pericardial window.

Fluids are given to keep blood pressure normal until the fluid can be drained from around the heart. Medicines that increase blood pressure may also help keep the person alive until the fluid is drained.

Oxygen may be given to help reduce the workload on the heart by decreasing tissue demands for blood flow.

The cause of tamponade must be found and treated.

Outlook (Prognosis)

Death due to cardiac tamponade can occur quickly if the fluid or blood is not removed promptly from within the pericardium.

The outcome is often good if the condition is treated promptly. However, tamponade may come back.

Possible Complications

Complications may include:

When to Contact a Medical Professional

Go to the emergency room or call the local emergency number (such as 911) if symptoms develop. Cardiac tamponade is an emergency condition that needs immediate medical attention.

Prevention

Many cases can't be prevented. Knowing your personal risk factors may help you get early diagnosis and treatment.

Open References

References

Hoit BD, Oh JK. Pericardial diseases. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 62.

LeWinter MM, Cremer PC, Klein AL. Pericardial diseases. In: Libby P, Bonow RO, Mann DL, Tomaselli, GF, Bhatt DL, Solomon SD, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 12th ed. Philadelphia, PA: Elsevier; 2022:chap 86.

Mallemat HA, Tewelde SZ. Pericardiocentesis. In: Roberts JR, Custalow CB, Thomsen TW, eds. Roberts and Hedges' Clinical Procedures in Emergency Medicine and Acute Care. 7th ed. Philadelphia, PA: Elsevier; 2019:chap 16.

  • Heart - front view

    Heart - front view - illustration

    The external structures of the heart include the ventricles, atria, arteries and veins. Arteries carry blood away from the heart while veins carry blood into the heart. The vessels colored blue indicate the transport of blood with relatively low content of oxygen and high content of carbon dioxide. The vessels colored red indicate the transport of blood with relatively high content of oxygen and low content of carbon dioxide.

    Heart - front view

    illustration

  • Pericardium

    Pericardium - illustration

    The pericardium is a thin double-layered sac which encloses the heart. Fluid is contained within the layers and lubricates the constantly rubbing surfaces.

    Pericardium

    illustration

  • Cardiac tamponade

    Cardiac tamponade - illustration

    Cardiac tamponade is a condition involving compression of the heart caused by blood or fluid accumulation in the space between the myocardium (the muscle of the heart) and the pericardium (the outer covering sac of the heart). Blood or fluid collects within the pericardium. This prevents the ventricles from expanding fully, so they cannot adequately fill or pump blood. Cardiac tamponade is an emergency condition that requires hospitalization.

    Cardiac tamponade

    illustration

  • Heart - front view

    Heart - front view - illustration

    The external structures of the heart include the ventricles, atria, arteries and veins. Arteries carry blood away from the heart while veins carry blood into the heart. The vessels colored blue indicate the transport of blood with relatively low content of oxygen and high content of carbon dioxide. The vessels colored red indicate the transport of blood with relatively high content of oxygen and low content of carbon dioxide.

    Heart - front view

    illustration

  • Pericardium

    Pericardium - illustration

    The pericardium is a thin double-layered sac which encloses the heart. Fluid is contained within the layers and lubricates the constantly rubbing surfaces.

    Pericardium

    illustration

  • Cardiac tamponade

    Cardiac tamponade - illustration

    Cardiac tamponade is a condition involving compression of the heart caused by blood or fluid accumulation in the space between the myocardium (the muscle of the heart) and the pericardium (the outer covering sac of the heart). Blood or fluid collects within the pericardium. This prevents the ventricles from expanding fully, so they cannot adequately fill or pump blood. Cardiac tamponade is an emergency condition that requires hospitalization.

    Cardiac tamponade

    illustration

 

Review Date: 5/13/2024

Reviewed By: Mary C. Mancini, MD, PhD, Cardiothoracic Surgeon, Shreveport, LA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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