Lecture 17A Flashcards
Examples of positive inotropes
Cardiac Glycosides, Catecholamines, and Pimobendan
Examples of Cardiac Glycosides
Digoxin and Diitalis
Job of Cardiac Glycosides
Decreases the HR and increases the contractility strength when the patient has ventricular tachycardia
Cardiac Glycosides have _____ affects, increase the _____ strength, and decrease signs of ______
Antiarrhythmic; contractility; dyspnea
Cardiac Glycosides are used for…
CHF, atrial fibrillation, and DCM
Catecholamines increase _____ ______
Muscle contraction
Catecholamines are used to treat…
Cardiac arrest and low BP
Overall results of Catecholamine administration…
Increased heart rate, increased contractility, and increased BP
Examples of Catecholamines
Epinephrine, Dopamine, and Dobutamine
Job of Epinephrine
Increase contraction, increase HR, and increase BP
The difference between Dobutamine and Dopamine
Dobutamine increases contractility of heart and increases CO with little or no increase in HR
What is the trade name for Pimobendan?
Vetmedin®️
Pimobendan is an inodilator, this means…
It is a positive inotrope and vasodilator
Job of vasodilators
It counteracts RAAS and prevents conversion of A1 to A2
Vasodilators act to…
Dilate vessels to decrease the preload and decrease the afterload
The primary arterial vasodilator is…
Hydralazine
The primary venous vasodilator
Nitroglycerine
Examples of vasodilators
Hydralazine and Nitroglycerine
Examples of ACE inhibitors
Enalapril, Benazepril, and Capropril
Job of diuretics
Act to decrease preload by diuresis, prevent fluid retention, and encourage fluid loss
The difference between Furosemide and Spironolactone
Spironolactone spares K
Examples of Methylxanthines that are also bronchodilators
Theophylline and Aminophylline
Examples of Sedatives
Morphine and Diazepam
