21. Bradycardia caused by xylazine administration is effectively prevented by administration of atropine or glycopyrrolate.22. If atropine is given by intramuscular or subcutaneous injection, it causes initial bradycardia . 23. Side effects can include bradycardia and respiratory depression. 24. This produces bradycardia , hypotension, depressed myocardial contractility, conduction delay, arrhythmias& 25. His note read, " 67 y . o . with syncope and bradycardia . 26. Mild bradycardia is caused by subjects holding their breath without submerging the face in water. 27. Bradycardia is a slower than normal heartbeat, at around 40 60 beats per minute.28. Bradycardia can be caused by heart blocks.29. It preferently binds to the pre-synaptic receptor parasymphatolitic drug, particularly against bradycardia . 30. Pathological causes include sinus bradycardia , sinus arrest, sinus exit block, or AV block.