Acute Complications Of Diabetes Flashcards
Dissociation of ketone bodies causes?
Hydrogen ions and anions, anion gap metabolic acidosis
How does insulin deficiency cause acidosis?
It causes lipolysis so increased fatty acids and therefore ketones leading to acidosis
How to manage acidosis?
Intracellular buffering of H and K ions
Hyperventilation
Renal excretion of H ions
Diabetic ketoacidosis precipitating factors?
Mud pie Myocardial infarction Unidentifiable Drugs: steroids Previously undiagnosed type 1 Infections Error/missed insulin administration
Signs of diabetic ketoacidosis?
Dry mouth, sunken eyes hypothermia, weakness malaise thirst, smell of ketones hyperventilation polyuria
How to measure acidosis?
PH less than 7.3 0r bicarb less than 14mmol/l
Succussion splash?
Bowels stop working due to acidosis, fluid accumulates, stomach contents splashing about
Ketone measurement with?
Plasma hydroxybutyrate- anything above 3 is ketoacidosis
How to manage diabetic ketoacidosis?
IV fluids, saline with K
Urinary catheter
Intravenous insulin 0.1 unit/kg/hr
Prevent clots-heparin
Hyperosmolar hyperglycaemic state doesn’t cause?
Don’t develop ketoacidosis
HHS mortality?
30% thrombosis
HHS management?
- Correct dehydration
- IV saline K
- IV insulin 0.05 unit/kg/hour
- antibiotics
- heparin
Symptoms of hypoglycaemia?
Shaky, fast heartbeat, sweating, feeling hot dizzy, blurry vision, weakness and headache, palpitations, hunger nausea
Headache Is sweating T achy cardio Irritable Restless Excessive hunger Depression/ dizzy
Neuroglycopaenic
Hypoglycaemia values?
Less than 4
Clinical syndrome describes when the nervous system becomes glucose deficient or neuroglycopaenic
Medication that can cause hypoglycaemia?
Sulfonylureas, glicalazide
Insulin
Treatment for hypoglycaemia?
Minor: 20g carbohydrate sugary drink etc or glucose gel
Hypoglycaemic coma:
I’m or IV glucagon 1mg
IV dextrose 25g
Mortality rates DKA?
5%
Hyperventilation in DKA is called?
Kussmaul respiration
HHS affects?
Over 40 years usually, precipitating causes steroids, diuretics and sugar
How to calculate osmolality?
Potassium + sodium x2 + urea + blood sugar
Normally between 280 and 300mosom/kg
When would you switch from IV insulin to subcutaneous?
When ketones less than 2 and ph normal
Diabetic ketoacidosis mortality normally is?
5%
Who get HHS when compared to diabetic ketoacidosis?
DKA- young
HHS- over 40s
What are precipitating causes for HHS?
Previously undiagnosed, steroids diuretics, sugar
With a mild/moderate hypo what should you do?
If conscious and can swallow
Give 5 teaspoons glucose powder in water, tests blood glucose after 15 mins
Then repeat up to 3 Times
Then img glucagon I’m