Cardiovascular pharmacology #1

by Joseph Alpert, MD

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    Welcome back to “Cardiology: An Introduction.” This is Part 5. We are going to discuss cardiovascular pharmacology in this component and also in the next. Not all cardiovascular drugs will be discussed, of course, because there’s a huge array of them. But we’re going to talk about the major drugs that are used every day for patients with a variety of heart diseases. First of all, it’s important to understand which diseases one would treat with various drugs. What are the diseases that we are going to be talking about later in much more detail? The commonest heart diseases are high blood pressure or hypertension, coronary artery disease, heart failure and cardiac arrhythmias - in other words, electrical short circuits or abnormalities in the heart. The drugs that we are going to be discussing can be used for each of these indications and we are going to go through three drug or three classes of drugs in this lecture. Now, it’s important to understand that with drugs, there is not one effect from the drug. In fact, drugs have many effects. Unfortunately, some of those effects are very unpleasant and they vary from person to person. So, let’s take a theoretical example - you have Drug A. You give it to a patient to lower the blood pressure. Wonderful! The blood pressure comes down. But, unfortunately, the drug upsets the patient’s stomach, so that every time the patient thinks about eating, they get nauseous. Well clearly, that’s not a good drug for that patient. Now, it turns out that there are many drugs for high blood pressure. So fortunately, we usually can try others in order to find one that will both take the patient’s blood pressure down and not cause indigestion or another side effect. But, since the drugs...

    About the Lecture

    The lecture Cardiovascular pharmacology #1 by Joseph Alpert, MD is from the course Introduction to the Cardiac System. It contains the following chapters:

    • Cardiovascular diseases treated with drugs
    • Beta Blockers
    • The renin-angiotensin-aldosterone system
    • Diuretics

    Included Quiz Questions

    1. Beta blockers slow the heart rate.
    2. Beta blockers accelerate the heart rate.
    3. Beta blockers increase the vigor of myocardial contraction.
    4. Beta blockers raise arterial blood pressure.
    5. Beta blockers have no effect on the heart.
    1. Check her blood pressure, it may be low secondary to dehydration and use of medication. You may need to reduce the dose of Lisinopril in the summer.
    2. Nothing, everyone faints once in a while.
    3. Take two aspirin tablets every day.
    4. Ask your friends what medicines they are taking and try some.
    1. Get a personal blood pressure cuff and measure your own blood pressure several times.
    2. No need to worry, this is a normal blood pressure for a 21 year old.
    3. Go to the Emergency Department right now!
    4. Get two weeks of bed rest.

    Author of lecture Cardiovascular pharmacology #1

     Joseph Alpert, MD

    Joseph Alpert, MD

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    Amazing lecture thank you …
    By kadeem B. on 14. May 2016 for Cardiovascular pharmacology #1

    Amazing lecture thank you so much