words related to the heart

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Across
  1. 3. originating in the heart
  2. 4. inflammation of the heart muscles
  3. 5. Pertaining to the heart and blood vessel (circulatory)
  4. 8. A disease of the heart muscle that causes it to lose its pumping strength
  5. 9. enlargement of the heart
Down
  1. 1. The procedure of applying an electrical shock to the chest to change an abnormal heartbeat into a normal one
  2. 2. The muscular layer of the heart
  3. 5. study of the heart
  4. 6. a record of muscle activity within the heart
  5. 7. toxic to the heart