1. Diabetic ketoacidosis is caused by a lack of insulin and results in hyperglycemia, dehydration, and acidosis. It can be prevented by never skipping insulin doses and monitoring blood glucose and ketone levels. 2. Hyperglycemic hyperosmolar non-ketotic syndrome is characterized by extreme hyperglycemia without ketosis or acidosis. Both conditions require treatment of hyperglycemia, fluid replacement, and insulin administration to reverse the process. 3. The document provides details on the pathophysiology, clinical presentation, diagnostic assessment, and management of diabetic ketoacidosis and hyperglycemic hyperosmolar non-ketotic syndrome.