In third-degree or complete heart block there's no transmission of electrical pulses between the atria and the ventricles through the AV node. A third-degree heart block causes a wide range of symptoms, some of which are life-threatening.
The industryâs recommended cooking times remain the same at 20 minutes per kilo plus 70 minutes for a turkey under 4kg, and 20 minutes per kilo plus 90 minutes for larger birds. Under these rules a 6.5 kilo (14lb) bird would take three hours and 40 minutes to cook.
Use the meat thermometer to test the center of the stuffing if your turkey is stuffed, and make sure the temperature there is also 165 degrees Fahrenheit. Expect it to take 4.5 to 5 hours to cook a 21 1/2 lb. turkey at 325 degrees Fahrenheit. 21 1/2 lb. turkey is large, requiring a relatively long cook time. Extended cooking times present two main challenges: preventing the meat from drying out and preventing the skin from overcooking before the meat is done.