One of New Jersey's leading heart centers

At Mountainside Medical Center, we blend exceptional cardiac expertise and leading-edge technology with an extraordinary commitment to highly personalized patient care. Our interdisciplinary team of heart specialists has developed a powerful program for identifying, treating and managing cardiovascular disorders.

Since early detection and proper treatment of heart disease are critical keys to survival and a healthy life, you couldn’t make a better choice than putting your trust in the hands of Mountainside’s Cardiology Department.

Whether your needs include the latest minimally invasive techniques, fast and accurate testing and diagnosis, nutritional counseling, weight loss or emergency lifesaving procedures, we'll be right by your side.

Providing a range of heart and vascular services 

We provide a range of heart and vascular services including:

Click here to find a cardiologist near you or call 888-973-4MSH (4674)

Contact our cardiology team via email if you have any questions.

Click here to read about one patient’s miraculous experience in his own words.

“I’m back from the brink.”

Sgt. Fred Arnold

When a 45-year-old Caldwell police sergeant’s life was hanging in the balance, coordinated medical care and skilled cardiologists at Mountainside Medical Center tipped the scales in his favor.

“I blacked out behind the wheel.”

The last thing I remember was driving my patrol car. When I awakened five days later, I was in the Intensive Care Unit (ICU) at Mountainside Medical Center. That’s when I learned I’d suffered cardiac arrest, passed out and crashed into a pole - only to be given a new chance at life by the hospital’s Cardiology team.

“Emergency angioplasty removed a blood clot and opened my artery.”

I was stunned to hear that I’d arrived at the hospital by ambulance with no pulse and an abnormal, potentially lethal heart rhythm. Thankfully, Dr. Domenico Mariano, a board-certified cardiologist, immediately sprang into action. He summoned his colleague, Dr. James Amato, Jr., a board-certified interventional cardiologist, and other specially trained staff to the Cardiac Catheterization Lab where Dr. Amato performed an emergency angioplasty to remove a blood clot from a clogged artery and used two stents to keep it open.

“Arctic Sun technology helped to protect to my brain.”

While I was in cardiac arrest, my brain didn’t receive oxygen and I was unresponsive, so I was transferred to the ICU. I later discovered that while I was under sedation, a state-of-the-art Arctic Sun cooling system was used to lower my body temperature to minimize damage to my brain.

“My entire family will forever be grateful to Mountainside Medical Center.”

As I was receiving expert medical care, my wife Julie (accompanied by our youngest, Ethan, age six) arrived at the hospital with a police escort. That fateful day - and those that followed - the staff comforted Julie and kept her informed. They also managed an outpouring of concern and interest from relatives and friends, the Caldwell mayor and council, my colleagues and the local media.

I spent 12 days at Mountainside Medical Center and received care in the ED, Cardiac Catheterization Lab, ICU and Telemetry Unit before I was released to a rehabilitation center for the next phase of my recovery. I’m alive today and back at work because of the professionalism and heroic efforts of everyone involved with my case.’

Mountainside Medical Center will begin a new Post-COVID exercise program individually designed for those who have had COVID-19 to improve their strength, flexibility, endurance and activities of daily living. The goal of the program is to improve quality of life and promote positive lifestyle changes through education and exercise.

This program is medically supervised by the Mountainside Cardiac Rehabilitation and includes two 1-hour sessions per week for four to eight weeks at the Mountainside Medical Center Cardiac Rehabilitation Fitness Center.

"COVID-19 can have long lasting effects particularly on the cardiopulmonary system. Lifestyle modification and a guided exercise program can be beneficial to speeding the recovery process," says Kevin McCoach, M.D., medical director of Cardiac Rehabilitation at Mountainside Medical Center.

What are the requirements to participate?

  • Individuals must not have any Acute COVID-19 symptoms.
  • Medical clearance from their physician

This program is not covered by Medical Insurance. The program cost is $88 per month.

For more information about the Post-COVID exercise program, or to see if you qualify please call 973-429-6199 or e-mail


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