Podcast
Questions and Answers
What is the primary beneficial effect of nitrate in the context of angina pectoris?
What is the primary beneficial effect of nitrate in the context of angina pectoris?
- Decreased oxygen requirement by increasing preload
- Increased oxygen supply by dilating collateral vessels (correct)
- Decreased oxygen supply by constricting collateral vessels
- Increased oxygen demand by dilating coronary arteries
What is the main adverse effect of nitroglycerin that is treated by aspirin?
What is the main adverse effect of nitroglycerin that is treated by aspirin?
- Rapid tolerance with chronic use
- Postural hypotension
- Throbbing headache due to vasodilation of meningeal arteries (correct)
- Reflex tachycardia
Which precaution should be taken while using nitrates to avoid precipitation of angina?
Which precaution should be taken while using nitrates to avoid precipitation of angina?
- Removing the tablet on relief to use the minimal effective dose (correct)
- Using nitrates in combination with beta blockers
- Abruptly stopping the drug if symptoms worsen
- Instructing the patient to stand while taking the drug
Which class of drugs inhibit calcium influx into cardiac cells and arterial smooth muscles, leading to decreased myocardial oxygen demand and arterial vasodilation?
Which class of drugs inhibit calcium influx into cardiac cells and arterial smooth muscles, leading to decreased myocardial oxygen demand and arterial vasodilation?
Ivabradine selectively blocks the sodium channels current in the SA node, leading to:
Ivabradine selectively blocks the sodium channels current in the SA node, leading to:
What is the main cause of Angina of Effort?
What is the main cause of Angina of Effort?
Which type of Angina Pectoris is considered an emergency case?
Which type of Angina Pectoris is considered an emergency case?
What is the main pharmacological action of organic nitrates in treating angina?
What is the main pharmacological action of organic nitrates in treating angina?
Which type of Angina Pectoris is due to reversible spasm of the coronary artery?
Which type of Angina Pectoris is due to reversible spasm of the coronary artery?
What is the main action of calcium channel blockers in treating angina?
What is the main action of calcium channel blockers in treating angina?
