Endocrine Flashcards
What regulates sulfonylureas MOA?
ATP
What drugs can be used for a pregnant 2DM patient?
Insulin
Metformin
Sulfonylureas
steroid hormones are?
Fat soluble No 2nd messenger Work via proteins Nuclear membrane receptor Affect DNA replication, transcription and translation
Protein hormones are?
Water soluble
Cell membrane receptors
Work via 2nd messengers
3 organs involved in RBC production
Bone marrow - synthesis
Lung - O2
Kidney - Epo
What is spurious polycythemia in the elderly?
Gaisbock syndrome (loss of plasma volume)
Signs for chronic hypoxia?
Mitochondria density increase in muscles
Angiogenesis
Clubbing
What vitamin would you put Polycythemic patients on?
Folate (rapidly dividing cells)
What are the treatments for polycythemia Vera?
Hydroxyurea Drink more water (dilute blood) Phlebotomy Allopurinol Folic acid Aspirin
Ppl with hypertension die from what?
Stroke
AAA
Treatment for Conn’s syndrome
Spirinolactone
Surgery - remove adrenals
What is the treatment for Addison’s disease?
Hydrocortisone
Fludrocortisone
Most common cause of female pseudo hermaphroditism in children?
21 hydroxylase deficiency
What molecule acts just like Aldo?
11 DOC
What is permissive hormone under stress?
Cortisol
What is permissive hormone under normal conditions?
Thyroid hormone
What are drugs used to treat hirsuitism
Finasteride
Dutestoride
Ketoconazole
Spironolactone
Treatment for male patterned baldness?
Finasteride
Flutamide
2 organs that undergo gluconeogenesis
Liver
Adrenal cortex
5 places that store glycogen
Skeletal muscle Liver Adrenal cortex Heart Intestine wall
What is the diagnoses of neuroblastoma/pheochromocytoma?
Urine increase in products of DA (VMA, metanephrine, HVA)
Tx of pheochromocytoma/neuroblastoma?
Phenoxybenzamine
Surgery
Drug to safely drop bp in hypertensive patient?
Phentolamine (alpha blocker)
Pheochromocytoma rule of 10’s
10% malignant 10% bilateral 10% are in children 10% are familial 10% are metastatic at diagnoses
Tissues that can absorb glucose w/o insulin?
Brain RBC Intestinal wall Cardiac/cornea Kidney Liver Exercising muscles
What drug do you use on any tumor secreting hormones?
Octreotide (somatostatin analog)
4 causes of watery (secretory) diarrheas?
VIPoma
Vibrio cholera
ETEC
Cryptosporidium
What drug decreases proteinuria in diabetics?
Ace Inhibitors
What are 5 treatments for abdominal pathology?
NPO NG-tube IV-NS Meperidine Abdominal x-Ray
What is a glp-1 analog that slows down gastric emptying?
Exanatide
Liraglutaride
What is the tx for dumping syndrome?
Small meals
What are 3 places where we find somatostatin?
Duodenum
Hypoothalamus
Pancreas
How do we know if a diarrhea is secretory or osmotic?
Make the patient NPO
What 3 areas is gastrin found?
Antrum of stomach (g cells)
Pancreas
Duodenum
What is the only GI hormone whose 2nd messenger is ca2+?
Gastrin
What embryologic structures give you glands? Muscles?
Pouches -> glands
Arches -> muscle
3 x-linked dominant diseases?
Pseudohypoparathyroidism
Pyruvate dehydrogenase deficiency
Vitamin D resistant rickets
Analog for calcitonin?
Bisphosphonate
Most common cause of 2nd hyper parathyroidism?
Kidney failure
Hyper parathyroidism of malignancy is due to?
Cytokines which act like PTH
What is the main controller of PTH?
S ca2+ in blood stream
What is the tx of osteoporosis?
Estrogen -1st line
Bisphosphanate - 2nd line
Tx for osteopeyrosis?
Steroids
Where is ALP made?
Bone cells
CBD
Placenta
Testes
3 syndromes with marfanoid features?
Marfan’s syndrome
MEN 3 or 2b
Homocysteinuria
Signs for anti-cholinergic
Hot, dry skin and hyperthermia
What does increased ICP cause?
Increased PRL, ADH
What TX is used for prolactinomas
Bromocriptine
Carbigoline
What are periods of rapid growth
0-2
4-7
Puberty