hypoglycaemia hypoglycaemia is a blood glucose level of below 4 mmol/l. 4 is the floor
TRANSCRIPT
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Hypoglycaemia
Hypoglycaemia is a blood glucose level of below 4 mmol/l.
4 is the floor
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Hypoglycaemia
Mags BannisterDiabetes Nurse Consultant
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What happens now in clinical practice re hypo’s?
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Mild Hypoglycaemia
Sweating Dizziness Trembling Tingling hands,feet,lips or tongue Hunger Blurred vision Difficulty in concentration Palpitations Occasional headaches
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Causes of hypoglycaemia
• Too much insulin/sulphonylurea • Extra activity e.g. shopping, DIY, gardening, sexual
activity or sport • Insufficient food (particularly CHO’s)• Delayed or missed meal • Poor injection technique/change of site • Change of routine • Alcohol• Heat - hot weather/sauna/hot bath
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Autonomic Neuroglycopenic Malaise
Sweating
PalpitationsShakingHunger
Confusion
Drowsiness
Speech difficulty
In coordination
Atypical behaviour
Diplopia (double vision)
Nausea
Headache
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Mild Neuroglycopenia
Cognitive dysfunction
Sweating
Tremor
Palpitations
Blurred vision
Aggression
Staggering
Autonomic activation
Severe NeuroglycopeniaSevere Neuroglycopenia
Release of counter Regulation Hormones
Blood glucose level
Unconsciousness/Coma
Death
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Mild “hypo” - treatment• 6-7 Dextrose tablets• Glucochek• 6 sugar lumps• 4 teaspoons of sugar• 100mls Lucozade
15 - 20 grams rapid acting CHO
• Eat next meal if due
OR
• Have a snack, e.g. banana/bread /biscuits
etc
Ref The hospital management of hypoglycaemia in adults with diabetes mellitus 2010
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SEVERE HYPOGLYCAMIARequires third party assistance
•Odd behaviour e.g. rudeness/laughter (appear to be drunk when not)•Aggressive behaviour•Confusion•UNCONSCIOUS
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Severe hypo glycaemia• Take immediate action• Glucose in liquid form• LUCOZADE min 100mls• lemonade/cola/ribena-
200mls
• EAT NEXT MEAL if due
• OR
• TAKE A SNACK
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If unable to take anything orally• 999• Give GLUCAGON
injection - I.M (can take 15mins to take effect)
OR• I.V. Dextrose 150mls 10% or 75mls 20%If necessary repeat
Ref The hospital management of hypoglycaemia in adults with diabetes mellitus 2010
• Re-check blood glucose in 10 minutes after IV glucose if still below 4mmols repeat
• When blood glucose above 4.0mmls give long acting carbohydrate
• Monitor blood glucose levels
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Which Patients with Diabetes are at Risk of Hypoglycaemia
TYPE 1
ALL
Type 2• If treated with a
sulphonyurea ( gliclazide or glimepiride)
• If treated with Insulin• If treated with a
combination that includes either or both or the above
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PreventionPrevention
• Ensure Staff understand the mode of action of the treatment prescribed
• Discuss timing & dose of oral therapy/insulin
• Educate Staff how to prevent/recognise hypo symptoms
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Prevention• Ensure patients are aware of the
correct/safe treatment of hypos
• Discuss the acceptable blood glucose levels for the individual patients needs
• Maintain good glycaemia control without compromising patient safety
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Hyperglycaemia and illness management
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High Blood glucose levels
What blood glucose levels cause concern?
What would you do if a patients blood glucose levels were running high?
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Illness
• Infection• Steroids• Stress
• High Blood glucose levels
• Poor appetite• Poor fluid intake
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Steroid treatment
• Fasting blood glucose levels will often be within normal range 5-10mmols/l
• Pre-tea and bed time readings can be >20mmols/l
• Blood glucose levels rapidly increase • Insulin maybe need when on steroid
treatment but not at any other time
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DIABETIC KETOACIDOSISType 1 DM
A state of severe, uncontrolled diabetes due to insulin deficiency and increased counter regulatory hormones.
• High blood glucose levels (PG>11 mmol/l• Moderate ketonuria (3mmol/L or over 2+on urine
stick)• Acidosis (arterial pH<7.30 & serum bicarb<
15mmol/L.)• Usually Type 1
Ref: The management of Diabetic Ketoacidosis in adults NHS Diabetes 2010
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DKA
Reduced glucose uptakeIncreased liver glucose output
Hyperglycaemia
Glycosuria
Breakdown of fat
Ketosis
Lack of insulin
Loss of water, change in electrolytes
Dehydration
Tachycardia, hypotension
Electrolyte imbalance, acidosis
Impaired consciousness, coma
Reduced pH, vomiting, ketonuria, hyperventilationOsmotic diuresis
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Hyperosmolar Hyperglycaemic StateHHS
Type 2 DM
• Severe hyperglycaemia (PG>33.3 mmol/L)• Profound dehydration (-10L)• No ketosis/acidosis (pH>7.3)• Middle-aged/elderly• Insidious onset (days/weeks)• Often undiagnosed Type 2• Mortality 15- 20%
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HHS
Reduced glucose uptakeIncreased liver glucose output
Hyperglycaemia
Glycosuria
Lack of insulin
Loss of water, change in electrolytes
Dehydration
Tachycardia, hypotension
Osmotic diuresis
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HYPERGLYCAEMIA – Sick Day Rules
• Never stop taking insulin or tablets (metformin and SGLT2i should be omitted if dehydration a risk)
• Monitor more often• Type 1 – test Urine or Blood for ketones• Encourage more Fluids (sugar free)• Rest• Vomiting – if accompanied by rapid deep
breathing + drowsiness – dial 999• If BG persistently raised – insulin dose may be
increased temporarily
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If unable to eat - replace solid food with alternatives such as
Alternative Amount CHO content
Soup (thickened or creamed) 200mls 15grams
Milk 200mls 10 grams
Pure fruit juice 100mls 10 grams
Lucozade 60mls 10 grams
Build up/ Complan 1/3rd serving 10 grams
Milk pudding /Custard 75g or ½ pot 10 grams
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Accessing AdviceDiabetes Specialist Nursing team
Horton Park CentreMonday to Friday
01274 3237288.30-12.30 and 1.30-5.30
Emergency on call Monday to Friday
7.30-8.30am and 5.30pm- 9pmSaturday and Sunday and Bank Holidays
7.30am -9pm01274 494194
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Information needed when ringing DSN
• Patients name , DOB and NHS number• Current treatment• Type of diabetes• Blood glucose levels• Ketones level if indicated• Any signs of illness/infection
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Questions