Diabetes Flashcards
Diabetes is the leading cause of
renal failure
Adult-onset blindness
lower limb amputation
In the pancreas, beta cells do what
produce & secrete insulin
In the pancreas, alpha cells do what
produce & secrete glucagon
Insulin does what to blood glucose?
lowers
Glucagon does what to blood glucose
increase
Stressful conditions lead to (inc/dec) in productional cortisol by adrenal gland which stimulates liver to put out more ____?
increase, glucose
In Type 1 Diabetes, what cells are being destroyed
Beta cells - these cells produce insulin
Type 1 Diabetic patients have a severe or absolute deficiency of what
Insulin
T1 DM is diagnosed around what age
30
Mainstay of T1 DM therapy is _____ and prevention of ____
Insulin replacement Diabetic ketoacidosis (DKA)
Pre-diabetic patients are prone to getting
Type 2 DM
T2 DM suffer from insulin ____ or _____
Resistance or relative insulin deficiency
Impaired fat metabolism is a sign of which DM?
T2 DM
Increased free fatty acid and triglyceride
Decreased HDL (good cholesterol)
Uncontrolled blood glucose in T2 DM can lead to
Hyperosmolar Hyperglycemic Syndrome
Insulin resistance is common in what type of DM
Type II
Insulin resistance results in:
___ insulin levels
___ receptor affinity
___ plasma insulin levels
___ insulin to blood glucose ratio
high insulin levels
Low receptor affinity
High plasma insulin levels
High insulin to blood glucose levels
How do you get Gestational Diabetes Mellitus (GDM)
Glucose intolerance during pregnancy
What ethnicity is most likely to get GDM
Asian, native american, Pacific islander, Black, hispanic
What are the adverse outcomes of GDM maternally?
Development of T2DM
C-Section
Pre-eclampsiav - protein in urine & high BP
Gestational HTN
What are the adverse outcomes of GDM Fetaly
Shoulder dystocia/birth trauma Macrosomia Adolescent/ childhood obesity Birth defects Hypoglycemia
These medications cause ____
Quinolone antibiotics Atypical antipsychotics Beta blockers Corticosteroids Calcinurin inhibitors Protease Inhibitors Thiazide & thiazide-like diuretics
Hyperglycemia
These medications cause ____
Insulin Insulin secretagogues GLP-1 Receptor agnostis and DDP-4 Inhibitors Anti-diabetic meds Pentamidine antibiotic Anti-hypertensive (ACEi, Beta blockers) Clofibrate Disopyramide Ethanol Salicylates
Hypoglycemia
Blood glucose and insulin release is stimulated by what foods?
Carbs and proteins
After a meal, glucose levels should be below
140 mg/dL
For diabetics, night, morning and after a meal glucose levels can be elevated to
200 mg/dL
Normal blood glucose levels for overnight are
60-140 mg/dL
Normal blood glucose levels for after meals are
<140 mg/dL
Endogenous insulin is mainly cleared by
liver
Exogenous insulin is mainly cleared by
renal
Avoid giving ____ insulin to patients with renal dysfunction
exogenous insulin
How do you administer Rapid-acting insulin?
inject immediately before meals
Low risk of post-meal hypoglycemia (make sure pt eats)
How do you administer Short-acting insulin
Inject 30-45 min before a meal, only one available in IV (make sure pt eats)
How do you administer Intermediate acting insulin
mixed with rapid and short acting insulin due to its unpredictability
How do you administer Long Acting Insulin
Detemir - BID
Glargine - daily
Degludec - daily
What are factors affecting insulin levels
Sit of injection
Massage of injection site
Depth of injection
Exercise
These symptoms suggest that a patient is experiencing ______
Tachycardia
Sweating
Nausea
Hypoglycemia effect
Patient should drink juice or eat carbs
Hypoglycemia can cause ___ (usually happens in the morning)
Treat it by giving less insulin
post-hypoglycemia hyperglycemia
(Somogyi Effect)
Adrenal gland notices that patient is low on insulin and will produce excessive insulin. Ask pt if they had a vivid dream
Diabetic patients should never be given this drug
beta blockers
Technosphere Insulin (Afrezza) is also known as
inhaled insulin
Afrezza Technosphere insulin should not be given to patients with this disease
COPD & smokers
Common side effect is cough
15-15-15 rule
amount of carb, protein, and fat given to diabetic patients to reverse hypoglycemia
Lipodystrophy is an adverse effect of what drug?
insulin - injection sites become lumpy
Insulin is used in what DM
Type 1 and 2 but mainly 1
Hb A1C should be around what range for diabetics
6-7
in double digits when uncontrolled
Insulin used for intensive insulin therapy is usually
basal insulin = 1/2 daily insulin requirement (long acting)
Insulin used for intensive insulin therapy is usually used in what DM
1 & 2
Conventional Insulin therapy is usually used in what type of DM
T2 DM
What type of insulin is used for conventional insulin therapy of T2 DM?
Fixed dose of long acting insulin
Sulfonylureas (SFUs) MOA
insulin secreatagogues
Stimulate insulin release
Decrease glucose output from liver
Name that the class
Glyburide
Glipizide
Glimepiride
Gliclazide
SFUs
What are adverse effects of SFUs
Hypoglycemia
Weight gain
Blurry vision
What is the first line agent for T2 DM
SFUs
SFU should only be used on patient who have a working…
pancreas
SFU and Meglitinide are known as
Insulin secretagogues
MOA: Meglitinide
Stimulate release of insulin by closing ATP-sensitive K+ channels
What class of drugs are these?
Repaglinide
Nateglinide
Meglitinide
Almost all anti-diabetic medications cause these adverse effects
Hypoglycemia
Weight gain
T/F Meglitinide, TZD & metformin (biguanides), GLP-1can be used as monotherapy or add-on to metformin in T2 DM
true
What drug can be used to lower postprandial blood glucose?
Meglitidine, Alpha-glucosidase inhibitor
GLP-1
Metformin fits under what class of drugs?
Biguanides
For a patient who is experiencing abdominal pain you would give them metformin _____
extended release daily
Vitamin B12 should be prescribed to patients who are also taking
metformin/ biguanides
Lactic acid risk in patients with renal, cardio, or hepatic disease can be increased with
metformin, biguanides
When should you take metformin?
With meals
A patient with reduced renal function should not take? (eGFR <30 mL/min/1.73 m^2)
METFORMIN, biguanides
Off-label use of this drug can be used to treat
Gestational Diabetes
Polycystic Ovary Syndrome
Pre-Diabetes (A1C 5.7-6.4% or impaired fasting glucose)
Metformin, biguanides
What is the method of action for Thiazolidinediones (TZD)
ligands of the peroxisome proliferator-activated receptor (PPAR receptors)
Decrease insulin resistance in muscles and fat
Increase HDL & decrease triglycerides
What class do these drugs belong to?
Pioglitazone
Rosiglitazone
Thiazolidinediones
This class of drugs is contraindicated for NYHA Class III/IV heart failure
Thiazolidinediones (TZD)
Pioglitazone
Rosiglitazone
Name the adverse effects of Thiazolidinediones
Pioglitazone
Rosiglitazone
Weight gain Volume retention: CHF Increases fracture risks Increases LDL (rosi) Increases risks for bladded cancer (pio)
MOA of Alpha-Glucosidase Inhibitors
Competitively inhibit alpha glucosidase enzymes –> slows intestinal carbohydrate digestion/absorption
Do not give this medication to patients who have renal failure
Miglitol (Apha-glucosidase inhibitor)
Metformin/biguanides
Exogenous insulin
Flatulence is an adverse effect of which drug?
Alpha-glucosidase inhibitor
Alpha-glucosidase should not be used on patients with
GI disorders, and renal dysfunction
Glucagon-Like Peptide-1 (GLP-1) Receptor agonist MOA
stimulates GLP-1 receptor –> increased insulin release, decreased glucagon secretion, slowed gastric emptying, and increased satiety
This drug lowers the risk for hypoglycemia
Glucose-like Peptide-1 receptor agonists
Glucode-like Peptide-1 receptor agonists are administered in what fashion
injectable
Name the class of drugs
Albiglutide
Dulaglutide
Exenatide
Liraglutide
Glucose-like Peptide-1 receptor agonists
Increased risk for pancreatitis can be induced by
GLP-1
Gallbladder diseased patients should not take
GLP-1
Liraglutide has been approved to be used off label as - GLP1
Chronic weight gain
Severe joint pain, renal impairment, new or worsening heart failure are symptoms of
DPP-4 gliptins
MOA DPP-4
Inhibits degradation if incretins –> increased insulin secretion, decreased glucagon secretion, slowed gastric emptying, and increased satiety
Anxiety can be caused by
GLP-1
MOA of Sodium-Glucose Co-Transporter 2 (SGLT2) Inhibitor (“Flozin”)
Blocks reabsorption in kidneys –> increase glucosuria secretion, slowed gastric emptying and increased satiety
What class do these drugs belong to?
Alogliptin
Linagliptin
Saxogliptin
Sitagliptin
DPP-4
The dosing of these gliptins (DPP-4) should be reduced in order to prevent renal impairment and new/worsening heart failure
Saxogliptin & alogliptin
MOA of Sodium-Glucose Co-Transporter 2 (AGLT2) Inhibitors (Flozins)
Blocks glucose reabsorption in kidneys –> increases glucosuria
What class do these drugs belong to?
Canagliflozin
Dapaglifliozin
Empagliflozin * Jardiance
Sodium-Glucose Co-Transporter 2 (SGLT2) Inhibitors (“Flozin”)
What class of drugs do these adverse effects belong to
Genital fungal infection, urinary tract infection, Hypotension, increased LDL
SGLT2 Flozins
What are the warning and precautions of Flozins
Renal impairment
Bladder Cancer (dapagliflozin)
Fractures & decreased bone mineral density (Canagliflozin)