Cardiac Tamponade

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Across
  1. 4. discomfort in the chest (4 letters)
  2. 5. Heart sound due to fluid around the heart (7 letters)
  3. 6. Discomfort due to lack of oxygen to the heart (5 letters)
  4. 7. Fluid accumulation around the heart (8 letters)
Down
  1. 1. Low blood pressure, a common sign (9 letters)
  2. 2. A condition where veins in the neck become swollen (8 letters)
  3. 3. Difficulty breathing (8 letters)