Endocrinology Flashcards

(45 cards)

1
Q

List 3 examples for first generation sulphonylurea anti diabetics?

A

Chlorpropamide
Tolazamide
Tolbutamide

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2
Q

Main side effects of chlorpropamide

A
Long t1/2
SIADH
Disulfiram like reaction 🥂
Weight gain
Hypoglycemia
Nausea and GI discomfort 
CI in renal disease, liver disease and frank jaundice
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3
Q

Mechanism of action of insulin secretagogues ( sulphonyl urea and meglitinides)

A

Close ATP dependent potassium channel, membrane depolarization,
Open voltage gated Ca channels allow Ca mediated exocytosis of insulin

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4
Q

Main side effects of metformin

A
Metallic taste
Nausea, vomit 🤢, anorexia
Lactic acidosis 🥂
Decrease absorption of Vit B 12
Preoperative or before RMI - lactic acidosis esp in patient with renal disease.
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5
Q

What are the main side effects of Thiazolidinediones?

A

Liver toxicity ( met by CYP )
Weigh gain and fluid retention ( CI in severe heart failure💔)
Bose Osteopenia and increase fracture risk.

Rosiglitazine cause MI
Pioglitazone bladder cancer
Increase risk of pregnancy 🤰🏻

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6
Q

In which conditions is alpha glucosidase inhibitors contraindicated?

A

IBD
Colonic ulcer
Intestinal obstruction

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7
Q

Examples of DPPI

A

Sitagliptin
Saxagliptin ( met by CYP 3A4/5 inhibitors)
Linagliptin (no dose adjust in kidney disease)
Alogliptin

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8
Q

Effect of pioglitazone and Rosiglitazone on Lipids

A

Both increase HDL

Pioglitazone decrease TG
Rosiglitazone increase LDL and TG

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9
Q

Examples of Sodium glucose cotransporter 2 inhibitors

A

Promote renal secretion of glucose in proximal tubule
Take on EMPTY stomach in the Morning
Canagliflozin
Dapagliflozin

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10
Q

What are the main side effects of SGLT2 inhibitors.

A
Urinary tract infection
Vulvovaginal candidiasis
Urinary frequency - osmotic diuretic
Dehydration 
Hypotension
Hyperkalemia
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11
Q

Antidiabetic medication should be taken 30 min before food or with first bite?

A

Meglitinides

Acarbose

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12
Q

Antidiabetic medication associated with increase fracture risk and osteopenia?

A

Thiazolidindiones

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13
Q

Effect of insulin on potassium level.

A

Insulin cause the shift of potassium from outside the cell to inside the cell.
Therefore used in treatment of hyperkalemia

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14
Q

Antidiabetic medication causing pancreatitis?

A

DPPI ( sitagliptin, saxagliptin, alogliptin, linagliptin)

GLP 1 - Incretin mimetics ( Exenatide, Liraglutide) 💉💉

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15
Q

Anti diabetic Cause nasophargitis and upper respiratory tract infection?

A

DPPI 4 inhibitors

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16
Q

Drugs that cause dysglycemia?

A
Atypical antipsychotics 
B antagonist
Diuretics thiazides and loop
Diazoxide
Glucocorticoids
Niacin
Isoniazid
Pentamidine
Protease inhibitors
Tacrolimus
Interferon alpha
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17
Q

Risk for diabetes mellitus

A

Obesity
Age greater 40
Overweight, dyslipidemia, Hypertension
Vascular disease (coronary, cerebrovascular, peripheral)
Gestational diabetes
Vascular disease -(Coronary, cerebrovascular, peripheral)
History of impaired glucose tolerance or impaired fasting glucose
Schizophrenia

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18
Q

When should we start insulin therapy immediately in diabetic patient at time if diagnosis?

A

HbAC1 >= 9% عالي اوي. Or I can give 2 Oral medications

Normal 4-6٪‏

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19
Q

What are the vaccines recommended in Diabetes

A

Annual influenza vaccine

One time pneumococcal vaccine (2nd if older than 65 and received dose 5 years earlier)

20
Q

Monitoring in diabetes

A

Annual- foot exam, serum creatinine, ophthalmologist
3months- HbA1c. If good 6 months
3 months- lipid profile and start statins

21
Q

What is advantage of adding metformin to insulin?

A

Dec insulin dose
Less weight gain
Less Hypoglycemia

Avoid adding TZD to insulin-edema and wit gain inc HF

22
Q

Management of hypoglycemia

A

Conscious- oral glucose
Unconscious- IM or SC glucagon
OR
IV dextrose (malnutrition or alcohol induced)

23
Q

Medications for diabetic patients for vascular protection?

A
  1. Antiplatelets ( macrovascular or microvascular complications , long standing diabetes, age greater 45 male , 50 females)
  2. Statin male greater than 45 , female greater than 55
  3. Blood pressure less than 130/80
24
Q

Medications for pregnant women 🤰🏻and diabetic?

A

Insulin (Lispro, Aspart)
Glyburide
Metformin

25
What is meant by metabolic syndrome?
Central obesity, hypertension, dyslipidemia, insulin resistance, glucose abnormalities. Short term diabetes risk Long term cardiovascular risk
26
Management of Diabetic ketoacidosis?
Fluids Potassium Insulin IV Bicarbonate
27
Thyroid hormone interact with?
``` Calcium Antacid Fe supplement Sucralfate -2hrs separate Cholestrylamine; Colestipol-separate 6hrs Soya fiber Raloxifene (Separate 12 hours) ```
28
Pregnant 🤰🏻 thyroxine requirement Elderly 👴🏽thyroxine requirement Patient with coronary disease requirement 💔
Pregnant 🤰🏻- Inc dose due to inc in thyroid binding globulin. Elderly 👴🏽thyroxine requirement - Patient with coronary disease requirement 💔- Both start low dose 12mcg/day and titrate every 4 weeks
29
Conditions associated with hyperthyroidism
Grave's disease 👀protrusion of eye ball Plummer disease Diffuse toxic goiter Toxic nodular goiter
30
DOC for woman with hyperthyroidism and pregnant 🤰🏻
Polythiouracil | More agranulocytosis
31
Are corticosteroids used in hyperthyroidism ?
Yes Adjuvant in treatment of resistant hyperthyroidism Dexamethasone-Thyroid storm Hydrocortisone- Myxedema Coma
32
How to inhibit prolactin secretion 🍼
Bromocriptine/Cabergoline activate D2 receptor in Pituitary -> Inhibit prolactin secretions
33
Where is prolactin secreted from?
Anterior pituitary
34
Where is Oxytocin and vasopressin secreted from?
Posterior pituitary VO
35
Management of thyroid storm
B blocker to stop sympathetic stimulation (CCB if pt asthma or HF) PTU stop hormone production Iodides inhibit hormone release Glucocorticoids
36
What are the secretions of the hypothalamus?
``` Thyrotropin Releasing Hormone-TRH Prolactin Releasing Hormone-PRH Corticotropin Releasing Hormone-CRH Growth Hormone Releasing Hormone -GHRH Gonadotropin Releasing Hormone - Gn RH ```
37
Secretions from anterior pituitary?
``` Prolactin Thyrotropin Stimulating Hormone TSH Adrenocorticotropic hormone ACTH - Corticotropin LH FSH ```
38
Growth hormones inhibiting hormones
Octreotide- Somatostatin analogue that binds to somatostatin receptors in pituitary and decrease Growth hormone ( ttt of acromegaly) and dec TSH ( ttt of thyrotropinoma in pituitary) and in secretory diarrhea due to Vipoma. Pegvisomat 🐷🐷 GH receptor Antagonist
39
What is the mechanism of Raloxifen and side effects?
Agonist on bones (ttt of osteoporosis) Antagonist on breast and uterine 🙂 Hot Flashes DVT, PE Retinal vein Thrombosis Leg cramps
40
Androgens Examples
Danazol Stanozolol Nandrolone Oxandrolone Fluoxymesterone OF - Oral
41
Examples of antiandrogens?
Inhibit androgen synthesis -5a reductase inhibitors Dutasteride Finasteride Block androgen receptor - BNF Bicalutamide Nilutamide Flutamide
42
Gonadotropin Releasing Hormone - Gonadorelin
Synthetic analogues act on GnRH receptors Leuprolide Goserelin 👨🏻جوزي Nafarelin 🤧 نف Histrelin
43
Gonadotropin
Gonadotropin are glycoproteins from posterior pituitary Menotropin (HMG) - LH + FSH Chorionic gonadotropin hCG - LH Urofollitropin -FSH Follotropin
44
Managment of hyperaldosteronism
``` Due to inc in aldosterone Cause: -Alkalosis -Hypokalemia -retention of Na and water - Loss of K and H ``` Treatment Spironolactone Eplerenone
45
Diagnosis of Cushing syndrome | Treatment of Cushing syndrome
Diagnosis-Dexamethasone | Treatment-Ketoconazole or surgery