Doctor insights on:
What Is The Difference Between Norepinephrine And Epinephrine
Receptors: Epinephrine binds strongly to beta receptors which causes the heart rate to increase and heart to contract more forcefully. It also has Alpha receptor activity which causes blood vessels to contract which increases the blood pressure but norEpinephrine has a stronger effect on Alpha so it is used to increase blood pressure. Epinephrine would used in cases of heart failure to increase output. ...Read moreGet help now ›
Both: Are made in the adrenal glands of the body and are released in response to a need for increased energy. The fight or flight phenomenon. The biggest difference is that nor-epi causes more vasoconstriction of blood vessels where epi causes more increase in heart rate and cardiac output through contractility. ...Read moreGet help now ›
Synthesis & Locale: Norepinephrine (ne) and Epinephrine (e) are both sympathomimetic catecholamines that are synthesized in the adrenal medulla and terminals of sympathetic neurons. Along the metabolic pathway, ne is synthesized first -- and when an enzyme adds a methyl group, you have epinephrine. Ne is the main catecholamine in peripheral tissue and sympathetic neurons. E is mostly made in the adrenal medulla. ...Read moreGet help now ›
May be thyroid: If you are not takin stimulants like caffeine or energy drinks and have a yearly physical with normal blood work then be thankful. It could be hyper active thyroid but you would also have weight loss with anxiety and difficulty sleep along with other symptom. If not seeing a physician for more than a year it may be time ...Read moreGet help now ›
Epinephrine and NE: The adrenals and the CNS ...Read moreGet help now ›
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14/male results/ catecholamine norm?
Norepinephrine, supine 136.0 pg/ml
* epinephrine, <10 pg/ml
*dopamine, <10 pg/ml
norepinephrine, stand 457.0 pg/ml
epinephrine, 14.0 pg/ml
dopamine, 16.0 pg/m
Norepinephrine is: Elevated with normal Epinephrine and Dopamine could be from effects of high protein foods, medications or physical activity. Is your dr checking for pheochromocytoma or cause of depression? Give us some feedback! ...Read moreGet help now ›
I read that a certain amount of cortisol has to be in the adrenal cortex for norepinephrine to be converted to epinephrine. Can anything substitute?
Catecholamines: E and NE are made in the adrenal medulla. In Addison's, where there is no cortisol circulating, there is higher NE and lower E, presumably due to cortisol effects on the adrenal medulla production of catecholamines. If you have adrenal insufficiency and are taking your hydrocortisone, this should not be an issue. ...Read moreGet help now ›
Are epinephrine and norepinephrine prodominantly exciditory or inhibitory, and how do they affect blood pressure?
Excitatory: They increase bp most of time ...Read moreGet help now ›
How come people use epinephrine for heart attacks, and not norepinephrine? And would one or both be useful for a first aid kit?
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