Sinus Bradycardias

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  • Characterised as a normal sinus rhythm with an abnormally slow heart rate
  • Caused by: pathologic conditions, drug reactions, physiologic conditions: athletic animals, calm animals, sleeping animals


Treatment: Usually unnecessary unless clinical signs due to reduced cardiac output remain

  • Treat the underlying condition
  • Drugs used to treat sinus bradycardias: atropine, isoprenaline, glycopyrrolate