Insulin Therapy Flashcards

1
Q

What is the second step in designing pump therapy?

A

Add regular bolus with meals → base on carb counting

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2
Q

what is the difference between Dawn vs Somogyi phenomenons?

A

Dawn → natural phenomenon

Somogyi → caused by insulin

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3
Q

Mechanism of action of insulin at the skeletal muscle

A

increased synthesis of protein and glycogen

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4
Q

intermediate acting insulin type

A

NPH

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5
Q

insulin to carb ratio for rapid acting

A

500/TDD insulin

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6
Q

when giving insulin injections, why is it recommended to rotate the injectino site?

A

avoid delayed absoprtion due to fibrosis or lipohypertrophy

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7
Q

Dosing for Afrezza

A

comes in 4, 8, and 12 units

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8
Q

Insulin activates Na/K ATPase resulting in…

A

intracellular shift of K → hypokalemia

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9
Q

Short acting insulin type

A

regular insulin

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10
Q

In a hypoglycemic patient what is the “rule of 15”

A

check → treat → check → eat

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11
Q

insulin to carb ratio for regular insulin

A

450/TDD insulin

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12
Q

Two things a patient must know if they are going to get an insulin pump

A

know insulin basics

carbohydrate counting

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13
Q

FBS goal when checking after a meal

A

< 180

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14
Q

1st line DOC for T2DM with ASCVD

A

GLP 1 agonist → liraglutide

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15
Q

If a patient is on multiple insulin injections a day and they have abnormal glucose before dinner , which dose of insulin needs to be changed?

A

morning LA or afternoon RA

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16
Q

Insulin + GLP1 injection has high risk for ____ and low risk for ____

A

high → hypoglycemia

low → weight gain

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17
Q

what is going on in Somogyi phenomenon?

A

high at evening or bedtime → lows at 2-4 am → rebound high in the morning

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18
Q

Criteria that would consider an A1c of 8 - 8.5% acceptable

A
frail elder
duration of disease > 10 years 
life expectancy < 5 years 
advanced microvascular complications
can't handle polypharmacy
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19
Q

adverse cardiovascular effect due to insulin

A

edema

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20
Q

What is the average time for onset for rapid acting insulin?

A

10-15 min

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21
Q

Appropriate BP for patient over age 70

A

<150/90

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22
Q

Which patient population MC uses insulin pumps?

A

Type 1 DM in children

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23
Q

How much insulin is normal released in a day?

A

~20 units

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24
Q

How do you calculate basal pump dose for an insulin pump - First Step ?

A

divide total # of LA units by 24 = basal rate in units/hour

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25
Q

Mechanism of action of insulin at the liver

A

stimulates hepatic glycogen and fatty acid synthesis

FA is released into the blood as lipoproteins

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26
Q

How does Novalin and Novalog differ?

A

onset

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27
Q

Blood sugar in hypogylcemic patient

A

< 70

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28
Q

first line therapy in Type 2 DM for lowering glucose if the patient has HF or CKD

A

SGLT2 inhibitor

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29
Q

Protein serving size?

A

3 oz

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30
Q

1 unit of lispro covers how many grams of carbs

A

7 grams

31
Q

you should taking insulin and ___ in patient with heart failure → worsens edema and can exacerbate HF

A

thiazolidinediones (TZD)

32
Q

Type of intermediate insulin that acts as basal therapy since it has a duration of 24 hr

A

NPH

33
Q

insulin daily dose for T1DM vs T2DM

A

Type 1 → 0.5 - 0.6 units

Type 2 → 0.1 - 0.2 units (may be higher due to insulin resistance)

34
Q

Why is medical nutrition therapy important?

A

can reduce A1c and amount of insulin required

35
Q

Safer insulin dual therapy in T2DM

A

insulin + GLP1 injection

36
Q

recommended serving of non-starchy vegetables

A

3-5 servings

37
Q

causes of hyperglycemia

A
too much food
too little insulin 
illness
reduced exercise
medications
38
Q

what is the most effective dual therapy for treating T2DM with insulin?

A

insulin + metformin

39
Q

Why is insulin used when you need to lower A1c by > 2%

A

no ceiling effect of lowering A1c

40
Q

3 endocrine/metabolic effects due to insulin

A

hypoglycemia
hypokalemia
weight gain

41
Q

4 instances where a diabetic patient might be unaware of hypoglycemia

A

long duration of DM
central neuropathy
older age
dementia

42
Q

two formulations of insulin

A

regular or NPH

43
Q

Goal A1c in normal patient population

goal A1c in geriatric patients

A

< 6.5%

< 8 - 8.5%

44
Q

If a patient is on multiple insulin injections a day and they have abnormal glucose before breakfast or overnight, which dose of insulin needs to be changed?

A

evening LA

45
Q

cleavage of what is required for the utilization of insulin

A

C-peptide

46
Q

Goals in healthy adults:
A1c
fasting/preprandial glucose
peak postprandial glucose

A

< 7-7.5%
70-130
< 180

47
Q

FBS goal range when checking in the AM

A

100-130

48
Q

Two risks of treating T2DM with insulin+metformin dual therapy

A

highest risk of hypoglycemia

high risk of weight gain

49
Q

Symptoms of hypoglycemia

A

adrenergic symptoms → tremors, sweating, palpitations, confusion, dizziness, headache, nausea

50
Q

Classic hyperglycemic symptoms

A

3 polys [polydipsia, polyphagia, polyuria]

dry skin

51
Q

Correction factor for regular insulin user

A

1,500/total daily insulin

52
Q

How many grams are in suggested carb serving size?

A

15 gm

53
Q

three long acting insulin types

A

glargine
levemir
degludec

54
Q

what should a patient do on their “sick day policy”?

A

check BG more often → likely will 1/2 their insulin

55
Q

three rapid acting human insulin analogs

A

lispro
aspart
glulisine

56
Q

inhaled rapid acting insulin, good for patients who don’t like injections

A

Afrezza

57
Q

first line therapy in Type 2 DM for lowering glucose

A

metformin + lifestyle changes

58
Q

If a patient is on multiple insulin injections a day and they have abnormal glucose before morning snack/lunch, which dose of insulin needs to be changed?

A

morning RA or morning LA

59
Q

2 adverse dermatologic effects due to insulin

A

erythema and pruritis at injection site

60
Q

4 special population you should you insulin with caution

A

hepatic failure
renal failure
elderly
pregnancy

61
Q

When you adjust insulin, how much do you adjust by?

A

10% → ~ 4 units

62
Q

If a patient is on multiple insulin injections a day and they have abnormal glucose before bedtime which dose of insulin needs to be changed?

A

evening RA

63
Q

correction factor for rapid acting insulin analogs

A

1,700 or 1,800/total daily insulin

64
Q

What is unique about Lantus?

A

won’t peak → less risk of hypoglycemia

65
Q

glycemic control dual therapy MC in elderly

A

metformin + basal insulin

66
Q

first line monotherapy in glycemic control in the elderly

A

metformin

67
Q

Who is Humulin R U500 indicated in?

A

patients on >200 units of insulin/day

insulin resistant T2DM

68
Q

How are whole grains different than regular carbs?

A

insoluble fiber → less glucose spikes

69
Q

MC medication that can induce hyperglycemia in a diabetic patient

A
glucocorticoids (MC)
phenytoin
niacin
alpha-interferon
pentamidine
70
Q

What is going on with Dawn phenomenon?

A

natural rise in glucose in the morning

71
Q

In comparison to human insulin, why do rapid acting insulin analogs reach peak serum values faster?

A

analogs quickly dissociate into monomers and are absorbed more rapidly than regular insulin

72
Q

goals in frail elders
A1c
fasting/preprandial glucose
peak postprandial glucose

A

<8.5%
100-180
< 200

73
Q

if you want faster onset of action of insulin should you inject centrally or peripherally?

A

centrally

74
Q

mechanism of action of insulin at adipose tissue

A

stimulates circulating lipoproteins to provide free fatty acids, triglyceride synthesis and storage
inhibits hydrolysis of triglycerides