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Critical Care
CC Drugs
17
Nursing
Undergraduate 4
01/12/2017

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Term
Inotropic
Definition
Affects myocardial contractility
Term
(+) Inotropic
Definition
Increases force of Contraction
Term
(-) Inotropic
Definition
Decreases for of Contraction
Term
Chronotropic (time)
Definition
Affects HR
Term
(+) Chronotropic
Definition
Increases HR
Term
(-) Chronotropic
Definition
Decreases HR
Term
Alpha 1 Receptors
(in Vascular Smooth Muscle)
Definition
Stimulation results in body-wide vasoconstriction.
Term
Alpha 2 Receptors
(located centrally & peripherally)
Definition
Centrally located causes removal of norepinephrine @ neuronal synaptic junctions leading to Hypotension.
Term
Beta 1 Receptors
(in the heart)
Definition
Stimulation results in ^ HR, Conduction & Contractility.
Term
Beta 2 Receptors
smooth muscle of bronchi & skeletal blood vessels
Definition
Stimulation results in dilation of bronchi & activation of glycogenolysis.
Term
Glycogenolysis
Definition
Conversion of glycogen to glucose within the liver.
Term
Epinephrine
Alpha 1 & 2(peripheral), Beta 1 & 2
Definition
Severe Hypotension
Anaphylactic Shock/Bronchodilation
Adjunct w/ local Anesthetics
Mydriasis
Term
Norepinephrine (Levophed)
Alpha 1&2(peripheral),Beta 1
Definition
Profuse Vasoconstriction
Cardiac Arrest, AV Block
Especially w/ hypotension involving decreases perfusion.
Term
Vasopressin
Definition
Used as alternative or adjunct pressor to epi in tx of adult shock, refractory VF/VT
Term
Dopamine
Dopaminergic, Beta1, Alpha1
Definition
Moderate Dose: Symptomatic Bradycardia after atropine failure
Term
Dopamine
Definition
High Dose: Hypotension w/ S/S of shock, usually in conjunction w/ epi or norepi.
Term
Phenylephrine (Neo-Synephrine)
Definition
Severe Hypotension especially d/t shock states.
Vascular failure w/ shock.
Nasal Decongestant.
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