20 Questions
True or false: Coronary ischaemia is usually caused by thrombosis?
True
True or false: Angina pectoris is characterized by chest pain due to inadequate supply of oxygen to the heart?
True
True or false: Sudden ischaemia is usually caused by aortic valve stenosis?
False
True or false: Coronary spasms never cause angina?
False
True or false: Cellular calcium overload may cause cell death and dysrhythmias?
True
True or false: Angina pectoris pain is typically described as sharp and stabbing?
False
Angina can be a precursor of a heart attack.
True
Variant (Prinzmetal) Angina is caused by coronary artery spasm.
True
Nitrates are vasodilators that work by being metabolized to nitric oxide (NO).
True
Beta-blockers reduce cardiac oxygen consumption by slowing the heart.
True
Calcium channel blockers mainly affect the heart and smooth muscle to inhibit calcium entry.
True
Isosorbide mononitrate is commonly used in the treatment of chronic heart failure.
True
Verapamil and diltiazem mainly exert their vasodilator effect on resistance vessels.
True
Verapamil and diltiazem can reduce and impair AV conduction and myocardial contractility.
True
Amlodipine or lercanidipine are safe to use in patients with heart failure.
True
Diltiazem or verapamil are contraindicated in heart failure, bradycardia, AV block, or in the presence of a Beta-Blocker.
True
Potassium channel activators such as nicorandil only have arterial dilating effects.
False
Ivabradine inhibits heart rate by activating funny 'f'-type channels in the heart.
False
Ranolazine is a commonly used anti-anginal drug.
False
Understanding the mechanism of action of drugs used to treat angina can help predict their therapeutic outcomes and side effects.
True
Test your knowledge on the treatment of angina and the factors that affect coronary blood flow. Explore how certain conditions can shrink the window for effective treatment.
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