Atenolol (Tenormin) Flashcards
Where is atenolol absorbed?
50% absorbed from the GI tract
Does it readily cross the blood-brain barrier?
No
Where is it eliminated?
Urine and feces
What kind of beta adrenergic blocker is it?
A beta1-adrenergic blocker
What is the trade name?
Tenormin
What does it treat?
To treat hypertension, angina pectoris, myocardial infarction, and heart failure
Which beta receptor does it block and when stimulated what happens?
Blocks beta1-adrenergic receptors, decreases blood flow to the periphery, suppresses renin-release
What are the side effects?
Drowsiness, dizziness, fainting, depression, weakness, nausea, vomiting, diarrhea, cool extremities, leg pain, impotence, decreased libido
What are the contraindications?
Sinus bradycardia, heart block > first degree, cardiogenic shock, pulmonary edema, acute bronchospasm, uncompensated cardiac failure, pregancy, lactation, renal dysfunction, diabetes mellitus
What are the adverse reactions?
Bradycardia, hypotension, heart failure, masking of hypoglycemia, bronchospasm, pulmonary edema, dysrhythmias
When is the onset if taken PO?
1 hour
When is the peak if taken PO?
2 to 4 hours
How long is the duration if taken PO?
24 hours
When is the onset if administered intravenously?
Immediately
When is the peak if administered intravenously?
5 mins
