An arrhythmia is an irregularity in the rate and/or pattern of the heartbeat. Dogs of any age or sex may experience arrhythmias. Rhythm disturbances may be caused by many factors, including diseases, drug reactions, and underlying heart conditions.
Tipping Policies for the Major Cruise Lines. Carnival Cruise Lines â Carnival adds a tip of $11.50 per day, per guest for crewmember services, other than bartenders. The full amount is added to onboard accounts on the second day of the cruise.
Whether you are planning your first or 20th cruise, these 12 tips may help you get a better deal on your next cruise. 1  1. Plan your cruise to sail during shoulder season. 2  2. Buy your cruise early, 10-18 months before departure. 3  3. Buy your cruise at the last minute, within 30 days before sailing.