Sympathomimetics Flashcards
Define sympathomimetics
Drugs with actions similar to that of adrenaline or of sympathetic stimulation
List the direct sympathomimetics
List the indirect sympathomimetics
List the mixed action sympathomimetics
Do all sympathomimetic drugs activate the adrenergic receptors by the same degree ?
sympathomimetic drugs chemically are what
Catecholamines
Non-catecholamines
List the catecholamines
Epinephrine
Norepinephrine
Isoproterenol
Dopamine
Catecholamines are characterized by what?
Compare between catecholamine and non-catecholamine
Explain the chemistry and pharmacokinetics of epinephrine (adrenaline)
What is the mechanism of action of epinephrine
It activates all alpha and beta adrenoreceptors
Explain the effect of epinephrine on CVS
Increase heart rate
Increase force of contraction
Increase systolic pressure due to positive inotropic and chronotropic effects
Decrease in diastolic pressure
Increase coronary blood flow due to high cardiac work
Explain the effect epinephrine has on respiration
Explain the effect epinephrine has on the eye
Myadriasis due to contraction of dilator papillae muscle (alpa 1)
Explain the metabolic effects of epinephrine
List the therapeutic uses of epinephrine
Anaphylactic shock
Acute bronchospasm
Cardiac arrest
With local anesthetics
Explain anaphylactic shock
How to treat anaphylactic shock
How to treat cardiac arrest
How is epinephrine used with local anesthetic
What are the adverse effects of epinephrine
What are the contraindications of epinephrine
Explain nor-epinephrine
Explain dopamine