Identification of Patients with Diabetes – PST04102 Disease Control and Prevention

NTA Level 4 • Semester 1 • PST04102

Identification of Patients with Diabetes

Disease Control and Prevention • Source Session/Topic 36
Full source-text version: all educational wording from the extracted learning source is retained; only presenter/tutor metadata and web-layout noise are removed, while formatting is improved for readability.

Session 36: Identification of Patients with Diabetes

Total Session Time: 120 minutes + 2 hours Assignment

Prerequisites

• None

Learning Tasks

By the end of this session students are expected to be able to:

• Describe Causes of Diabetes
• Describe Types of Diabetes
• Describe Major Signs and Symptoms of Diabetes
• Explain Treatment of Common Diabetes
• Explain Prevention and Control of Diabetes

Resources Needed:

• Flip charts, marker pens, and masking tape
• Black/white board and chalk/whiteboard markers

SESSION OVERVIEW

|Step |Time |Activity/ |Content |

| | |Method | |

|1 |05 minutes |Presentation |Introduction, Learning Tasks |

|2 |10 minutes |Presentation |Causes of Diabetes |

| | |Brainstorming | |

|3 |10 minutes |Presentation |Types of Diabetes |

|4 |30 minutes |Presentation |Major Signs and symptoms of |

| | |Buzzing |Diabetes |

|5 |20 minutes |Presentation |Treatment of Diabetes |

|6 |30 minutes |Presentation |Prevention and Control of Diabetes |

| | |Small group | |

| | |discussion | |

|7 |05 minutes |Presentation |Key Points |

|8 |05 minutes |Presentation |Evaluation |

|9 |05 minutes |Presentation |Assignment |

SESSION CONTENTS

STEP1: Presentation of Session Title and Learning Tasks (5 minutes)

READ or ASK students to read the learning tasks and clarify

ASK students if they have any questions before continuing

STEP 2: Causes of Diabetes (10 minutes)

|Activity: Brainstorming (5 minutes) |

| |

|ASK students to brainstorm on the following question: |

| |

|What causes diabetes? |

| |

|ALLOW few students to respond |

| |

|WRITE their responses on the flip chart/ board |

| |

|CLARIFY and SUMMARISE by using the content below |

• Diabetes mellitus (DM) comprises Hyperglycemia is a cardinal

manifestation due to;

o Insulin deficiency or

o Insulin resistance

• Several distinct types of DM exist and are caused by a complex

interaction of genetics, environmental factors and life-style choices

• Factors contributing to hyperglycemia may include:

o Reduced insulin secretion

o Decreased glucose usage, and

o Increased glucose production

STEP 3: Types of Diabetes (10 minutes)

There are three main types of diabetes mellitus:

• Type 1 DM results from failure of pancreases to produce enough insulin

o This form was previously referred to as "insulin-dependent diabetes

mellitus" (IDDM) or "juvenile diabetes".

o The cause is unknown

• Type 2 DM begins with insulin resistance, a condition in which cells fail

to respond to insulin properly.

o As the disease progresses a lack of insulin may develop

o This form was previously referred to as "non insulin-dependent

diabetes mellitus" (NIDDM) or "adult-onset diabetes"

o The primary cause is excessive body weight

o Risk Factors for Type 2 Diabetes Mellitus

▪ Family history of diabetes (i.e. parent or sibling with type 2

diabetes)

▪ Obesity i.e. body mass index (BMI) >27kg/m2
▪ Age >45 years
▪ History of gestational diabetes mellitus
▪ Hypertension
▪ High density lipoprotein (HDL) cholesterol <0.90 mmol/l (35mg/dl)
▪ In HIV patients, the HAART therapy can increase risk of diabetes
• Gestational diabetes, is the third main form and occurs when pregnant

women without a previous history of diabetes develop a high blood

sugar level.

STEP 4: Signs and Symptoms of Diabetes (30 minutes)

|Activity: Buzzing (5 minutes) |

| |

|ASK students to pair up and buzz on the following question for 2 |

|minutes |

| |

|What are the signs and symptoms of diabetes? |

| |

|ALLOW few pairs to respond and let other pairs to add on points not |

|mentioned |

| |

|WRITE their response on the flip chart/board |

| |

|CLARIFY and SUMMARIZE by using the content below |

Clinical features of DM depend on the severity of disease and its

complications. They include:

• Polyuria
• Polydipsia
• Polyphagia
• Hyperglycaemia
• Glycosuria
• Keto acidosis
• Coma
• Weight loss
• Fatigue
• Weakness
• Blurred vision
• Frequent superficial infections e.g. vaginitis, fungal skin infections
• Slow healing of skin lesions after minor trauma

[pic]

Figure 36.1: Main symptoms of diabetes

STEP 5: Treatment of Diabetes (20 minutes)

• Treatment of DM should be initiated at hospital after thorough evaluation
• Follow up may be done in the health centre when patients are stable

Type I Diabetes Mellitus

Insulin is required

• The commonly used types of insulin are:

o Fast-acting: Includes the insulin analogues aspart, lispro,

and glulisine.

▪ These begin to work within 5 to 15 minutes and are active for 3

to 4 hours.

o Short-acting: Includes regular insulin

▪ Begins working within 30 minutes and is active about 5 to 8

hours.

o Intermediate-acting: Includes NPH insulin

▪ Begins working in 1 to 3 hours and is active 16 to 24 hours.

o Long acting: Includes the analogues glargine and detemir,

o Begins working within 1 to 2 hours and continue to be active, without

major peaks or dips, for about 24 hours, although this varies in many

individuals.

o Ultra-long acting: Currently only includes the analogue degludec,

▪ Begins working within 30–90 minutes, and continues to be active

for greater than 24 hours

o Combination insulin products – Includes a combination

▪ of either fast-acting or short-acting insulin

Type 2 Diabetes Mellitus

• There are several classes of anti-diabetic medications available such as:

o Biguanides; e.g. Metformin

o Sulfonylureas,

▪ First generation e.g. Chlorpropamide, Tolbutamide
▪ Second generation e.g. Glipizide, Gliclazide, Glibenclamide,

Glyburide

▪ Third generation e.g. Glimepiride, Gliclazide MR (DIAMICRON MR

60)

o Thiazolidinediones e.g Rosiglitazone

STEP 6: Prevention of Diabetes (30 minutes)

|Activity: Group discussion (30 minutes) |

| |

|DIVIDEstudents into small manageable groups |

| |

|ASK students to discuss on the following question |

| |

|What are the preventive measures of diabetes? |

| |

|ALLOW students to discuss for 15 minutes |

| |

|ALLOW few groups to present and the rest to add points not mentioned |

| |

|WRITE their response on the flip chart/board |

| |

|CLARIFY and SUMMARIZE by using the content below |

• Regular daily exercise is important; recommendation is 20-30 minutes of

exercise daily (this can be walking).

• Educated patients about long term consequences of uncontrolled diabetes

such as:

o Renal impairment

o Higher risk of ocular damage

o Increased risk of heart attack

o Neuropathy

• Patient education allows individuals with DM to assume greater

responsibility for their care including compliance with medications

STEP 7: Key Points (5 minutes)

• Diabetes mellitus is a group of common metabolic disorders that present

with hyperglycemia

• Diabetes mellitus is caused by insulin deficiency or insulin resistance
• Types of diabetes mellitus includes type I, type II and gestational

diabetes

• Signs and symptoms are Polyuria, hyperglycemia, Glycosuria, weight loss

and blurred vision

• Treatment depends on the type of diabetes mellitus; type I requires

insulin where as type II requires ant-diabetic medicine

• Preventive measures include regular daily exercise and patient education

about long term consequences of uncontrolled diabetes

STEP 8: Evaluation (5 minutes)

• What is diabetes mellitus?
• What are the causes of diabetes mellitus
• What are the types of diabetes?
• What are the signs and symptoms of diabetes mellitus?
• What is the treatment of diabetes mellitus?
• What are the preventive measures of diabetes mellitus?

STEP 9: Assignment (5 minutes)

|Activity: Take Home Assignment (5 minutes) |

| |

|DIVIDE students in groups or individuals |

| |

|ASK the students to work individually on the following Assignment |

|Explain preventive measures that you will take to control diabetes |

|ALLOCATE time for students to do the assignments and submit |

| |

|REFER students to recommended references |

References

Braunwald, E. & Fauci, A.N. (2008).Harrison’s Principles of Internal

Medicine (17thed.). Oxford: McGraw Hill.

Davidson, S. (2006). Principles and Practice of Medicine (20thed.).

Churchill: Livingstone.

Kumar, P.J. & Clark, M. (2006).Textbook of Clinical Medicine. Churchill:

Livingstone.

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