Tag: cardiologist in Tucson

Right Ventricular Problems: The Overlooked Pump

Right Ventricular Problems: The Overlooked Pump

We have spent a lot of time in the last several blogs on heart failure. Virtually all of these discussions have focused on left ventricular heart failure. What about right ventricular heart failure? Yes, the right ventricle (RV) can fail, too. But many of the most common cardiovascular problems—coronary heart disease, hypertension, valvular heart disease, atrial fibrillation—create dysfunction either exclusively or predominantly for the…

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High-Output Heart Failure: When High Isn’t Good Enough

High-Output Heart Failure: When High Isn’t Good Enough

We have touched on multiple aspects of CHF in several blogs this year, including discussions of how it occurs—whether in the setting of systolic dysfunction or diastolic dysfunction—what its manifestations are, how it is treated, and most recently a look at cardiomyopathies and how they cause CHF. All of these aspects of CHF have one thing in common—the heart isn’t doing…

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Cardiomyopathy (Part III): When the Heart Muscle is Sick

Cardiomyopathy (Part III): When the Heart Muscle is Sick

In the last two blogs, we discussed what a cardiomyopathy is, paying particular attention to the categories of dilated and hypertrophic. This week we’ll complete our review of cardiomyopathies with a look at the restrictive category. While dilated and hypertrophic cardiomyopathies are defined by anatomic features (an enlarged heart chamber in the first and thickened ventricular walls in the second), restrictive…

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Cardiomyopathy (Part II): When the Heart Muscle is Sick

Cardiomyopathy (Part II): When the Heart Muscle is Sick

Last time we discussed what a cardiomyopathy is, including the three categories of dilated, hypertrophic and restrictive. We then focused on types of dilated cardiomyopathies, along with some discussion about their treatment.  Today I’ll continue our review of cardiomyopathies by focusing on hypertrophic. Whereas a dilated cardiomyopathy is defined by the heart chamber being enlarged, a hypertrophic cardiomyopathy is defined by…

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Cardiomyopathy: When the Heart Muscle is Sick

Cardiomyopathy: When the Heart Muscle is Sick

A few weeks ago, I devoted a couple blogs to the subject of CHF (congestive heart failure). At the time, I discussed the differences between heart failure from systolic dysfunction (problems with the heart contracting/pumping) and that caused by diastolic dysfunction (problems during the relaxation phase of the cardiac cycle). These are clinical syndromes and are brought on by a variety of…

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Why Are My Ankles Swollen?

Why Are My Ankles Swollen?

Hardly a day goes by that I am not asked that question by a patient. The causes are numerous, but most people’s biggest fear is that they have CHF (congestive heart failure). Indeed, peripheral edema (edema fluid causing swelling of the extremities, usually the legs) is often seen with CHF, and probably is its most visible manifestation. In that situation, it is caused…

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Heart Attack: What to Look For

Heart Attack: What to Look For

What exactly does it feel like to have a heart attack? Below is a graphic that depicts what the symptoms men and women can feel when they are experiencing a heart attack (which doctors term a myocardial infarction or “MI”). I’d like to add a few points to that image: The difference in symptoms between men and women should not be taken…

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Coronary Artery Disease: What the “Risk Factors” Place You at Risk Of

Coronary Artery Disease: What the “Risk Factors” Place You at Risk Of

We have spent the last couple months discussing “cardiac risk factors”: the main things that increase a person’s risk of developing coronary artery disease, also known as coronary heart disease (abbreviated “CAD” and “CHD,” respectively). We now return to that disease entity to consider it in greater detail. CAD is the process of plaque accumulating in the coronary (heart) arteries (the…

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Exercise: How Much Is Enough?

Exercise: How Much Is Enough?

Exercise is crucial to a healthy lifestyle and lowers the risk of cardiovascular disease. It has beneficial effects on blood pressure, cholesterol and diabetes. And there is good evidence that exercise is good for the brain. It is one of the few things that has been proven to lower the risk of developing dementia. But what is the right amount of exercise?  What’s the…

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Gregory Koshkarian, MD, FACC