What is an expected cardiovascular response in patients on β-adrenergic blocking agents during exercise?
Understand the Problem
The question is asking about the expected effects on cardiovascular response, specifically heart rate and blood pressure, in patients who are taking β-adrenergic blocking agents when they exercise. This involves understanding the pharmacology of β-blockers and how they affect heart rate and blood pressure during physical activity.
Answer
Reduced heart rate and chronotropic response.
The expected cardiovascular response in patients on β-adrenergic blocking agents during exercise is a reduced heart rate and decreased chronotropic response.
Answer for screen readers
The expected cardiovascular response in patients on β-adrenergic blocking agents during exercise is a reduced heart rate and decreased chronotropic response.
More Information
Beta blockers, also known as β-adrenergic blocking agents, work by blocking the effects of adrenaline on your heart and blood vessels, which slows the heart rate. This effect can limit the heart rate increase typically seen during exercise.
Tips
A common mistake is to expect a normal increase in heart rate during exercise in patients taking beta blockers. This does not typically happen due to the medication's effects.
Sources
- The Impact of beta blockade on the cardio-respiratory system and ... - pmc.ncbi.nlm.nih.gov
- Beta-Adrenergic Receptor Blockade Effects on Cardio-Pulmonary ... - pmc.ncbi.nlm.nih.gov
- Mayo Clinic - Beta blockers and heart rate during exercise - mayoclinic.org
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