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Meet Dr. Krock

North Texas's Go-To Cardiologist for Smarter, Preventive Heart Care Dr. Marc Krock is a board-certified cardiologist and interventional cardiologist

Dr. Krock Recommends:

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OMEGA 3 FISH OIL
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Dr. Krock’s cardiologist practice in McKinney and Frisco, Texas.

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Heart health education from a real cardiologist. Learn the signs of AFib, use smart devices right, and avoid the ER with early detection.

If you're over 50 and dealing with high cholestero

If you're over 50 and dealing with high cholesterol, this might surprise you…

You can lower it naturally with the right approach.

It’s not just “eat better and move more.”
It’s about doing it correctly and consistently:

✔️ Mediterranean-style eating
✔️ More plant-based proteins
✔️ Healthy omega-3s
✔️ Less fried food & red meat
✔️ Daily steady movement (walking, treadmill, etc.)
✔️ PLUS adding high-intensity training

When done right, this can lower your cholesterol by 20–30% and reduce your risk of heart attack and stroke.

Small changes. Big impact.

If you live in the North Texas area, visit theheartsmartgroup.com to make an appointment with Dr. Krock and his team. He has offices in Frisco and McKinney, TX.

You don’t need to chase a number to get results.

You don’t need to chase a number to get results.

If you’re on medications like beta blockers, your heart rate is supposed to stay lower. That’s the job of the medication.

So what should you focus on instead?

Consistency
30 to 45 minutes of steady movement - showing up, even when the numbers don’t look right

The benefit is still there. In many cases, it’s even better because your heart is already being supported.

This is where a lot of people get frustrated and quit too early. Don’t.

Shift your focus from heart rate to duration and effort. That’s where progress happens.

And if you’re unsure how your medications play into your workouts, don’t guess.

Don’t be afraid to ask your cardiologist about the details on how these medications can affect you.

Most people don’t stop their statin because they w

Most people don’t stop their statin because they want to.
They stop because they feel worse on it.

Muscle aches are one of the biggest reasons.

Here’s what a lot of people don’t realize. Statins can lower your natural CoQ10 levels and CoQ10 plays a key role in how your muscles and heart produce energy.

So when levels drop, you may feel:
Muscle soreness
Fatigue
Low energy

This is why we often add CoQ10 1000-2000 mg daily alongside a statin, not instead of it.

What it can help with:
Reduce muscle aches
Support energy at the cellular level
Support heart muscle function

This is a simple step that can help you stay on the medication that’s protecting your heart.
See the exact product I recommend to my patients at CardiacKrock.com

Your heart rarely goes from perfectly healthy to a

Your heart rarely goes from perfectly healthy to a major event overnight.

More often, people notice small changes first - getting winded more easily, unusual fatigue, or pressure in the chest with activity. These symptoms don’t always mean something serious, but they’re signals worth paying attention to.

If something feels different than your normal baseline, getting it checked early can make all the difference.

Statins are one of the most common ways to lower c

Statins are one of the most common ways to lower cholesterol—but they’re not the only option.

From lower starting doses to more potent choices like atorvastatin and rosuvastatin, treatment is always adjusted based on what your body responds to.

And if statins don’t work for you?
There are other effective options, like newer injectable treatments that many patients tolerate even better.

The key is this: there’s always a strategy.
The right treatment is the one that’s tailored to you.

You pass out and wake up a few seconds later… and

You pass out and wake up a few seconds later… and assume it was nothing.

Many people think fainting is just dehydration, stress, or “standing up too fast.” And sometimes it is. But in cardiology we also see patients who passed out because of a dangerous heart rhythm.

Your heart’s electrical system can suddenly go too fast or too slow, causing the brain to temporarily lose blood flow. The heart may reset on its own, you wake up, and it feels like the episode passed.

But in some cases that episode was actually a serious rhythm problem, including ventricular arrhythmias that can lead to cardiac arrest.

If you’ve had unexplained fainting or repeated passing out, it’s important to get evaluated. A heart monitor can often detect rhythm problems that would otherwise go unnoticed.

Sometimes what feels like “nothing” is your heart trying to tell you something important.

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