Na+, K+ Flashcards

(24 cards)

1
Q

Essential Hypertension

A

No identifiable secondary causes.

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2
Q

Orthostatic Hypertension

A

Sudden and abrupt increase in blood pressure when a person stands up.

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3
Q

Secondary Hypertension

A

Caused by another medical condition (Kidney, arteries, etc.)

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4
Q

Agonists

A

A substance initiating a physiological response when combined with a receptor and activates the receptors in the brain.

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5
Q

Hypotension

A

Low blood pressure

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6
Q

Adrenergic Receptors

A

Large class of proteins collectively known as G-protein coupled receptors (GPCR)

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7
Q

Agina

A

Chest pain caused by reduced blood flow to the heart

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8
Q

Antagonists

A

Drug specific binder and a blocker for other drug binding.

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9
Q

Antihypertensive

A

Class of drugs that Treat High Blood Pressure

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10
Q

Adrenergic blocking medication

A

Class of beta-adrenergic receptors and prevent binding of norepinephrine at these receptors. Prevent sympathetic stimulation of heart and reduce Heart rate, cardiac contractility, conduction velocity, and relaxation rate which decreases myocardial oxygen demand.

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11
Q

Alpha Agonist

A

Sympathomimetic agents that selectively stimulate alpha adrenergic receptors.

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12
Q

Alpha Blockers

A

Class of drugs that is Used to treat high blood pressure

-Zosin) (prozosin, doxazosin,terazosin

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13
Q

Beta 1 Blocker

A

-OLOL

Manage cardiac arrhythmias and protect the heart from a second heart attack

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14
Q

Beta 2 Blockers

A

-OLOL
Agonist/Antagonist
Protects heart from second heart attack

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15
Q

Cardiac Output

A

Volume of blood pumped by the heart.

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16
Q

Centrally Acting Adrenergic Medications

A

Stimulates CNS

Guanabenz Acetates agonists and -ine ex. Clonidine, guanfacine, and methyldopa.

17
Q

Dysrhythmias

A

Disturbance of rhythm in the brain waves or heartbeat

18
Q

Vasodilation

A

Dilation of blood vessels which decrease blood pressure

19
Q

sympatholytics

A

Blocking transmission of impulses from the adrenergic(sympathetic) post ganglion is fibers to effector organs or tissues, inhibiting such sympathetic functions as smooth muscle contraction and glandular secretion.
Nerve activity.
Drugs- Alpha1 agonist,ace inhibitors, VMAT inhibitors, imidazoline receptors agonist. -ine

20
Q

Selective

A

Highly specific in activity or effect selective

Thymoglobulin (prodrugs) etc.

21
Q

NONSELECTIVE

A

Not selective to binding

Beta blockers, NSAIDS etc are non selective drugs

22
Q

Intrinsic Sympathomimetic Activity (ISA)

A

Referring to beta blockers that are weak agonists of one or more b-adrenoceptor subtypes. Given to decrease side effects and improve tolerability.

23
Q

First Dose Phenomenon

A

Refers to Alpha 1 antagonists following initiation of treatment can result in lightheaded nests, dizziness, and syncope.
-zosin, Ace inhibitors, other cardiovascular agents. HYPOTENSION, BRADYCARDIA, SYSTOLIC PRESSURE LESS THAN 50.

24
Q

Dysrhythmia

A

Abnormal rhythm in electrical activity of heart and brain. (Jet lag)
Atrial fibs.
(Digoxin, diltiazem,propranolol, lidocaine, quinidine Na channels blockers, beta blockers, k+ channel blockers, Ca+ b;lockers, Vaal stimulation)