Pharmacology of Beta Receptors

<p>Increased myocardial oxygen demand</p> Signup and view all the answers

<p>Positive chronotropy and inotropy</p> Signup and view all the answers

<p>&lt; 5 minutes</p> Signup and view all the answers

<p>Maintained</p> Signup and view all the answers

<p>Release of norepinephrine</p> Signup and view all the answers

<p>Decreased</p> Signup and view all the answers

<p>Increased coronary blood flow</p> Signup and view all the answers

<p>Activation of α1 receptors</p> Signup and view all the answers

<p>Increased</p> Signup and view all the answers

<p>Increase cardiac contractility</p> Signup and view all the answers

<p>Indirect β agonist and direct α agonist</p> Signup and view all the answers

<p>Decrease heart rate</p> Signup and view all the answers

<p>Competitive and nonselective α antagonist</p> Signup and view all the answers

<p>0.5-1 mcg/kg/min</p> Signup and view all the answers

<p>To vasoconstrict nares prior to nasal intubation</p> Signup and view all the answers

<p>It causes a decrease in blood pressure</p> Signup and view all the answers

<p>Treatment of orthostatic hypotension</p> Signup and view all the answers

<p>Prolonged QT interval</p> Signup and view all the answers

<p>It decreases heart rate in a dose-dependent manner</p> Signup and view all the answers

<p>It is a selective presynaptic α2 agonist</p> Signup and view all the answers

<p>It increases insulin secretion</p> Signup and view all the answers

<p>Vascular and intermediate-risk surgical procedures</p> Signup and view all the answers

<p>They are more selective for β1 receptors</p> Signup and view all the answers

<p>Decrease sympathetic nervous system activity</p> Signup and view all the answers

<p>10-20 mg initial and titrate to goal HR</p> Signup and view all the answers

<p>Non-selective β and α1 antagonist</p> Signup and view all the answers

<p>Glucagon 5 mg IV</p> Signup and view all the answers