Department Pediatric Cardiology
Primary Location Cleveland Clinic Main Campus
Type of Doctor Both Adults and Children & Adolescents
Languages English
Surgeon No
Locations Specialties & Treatments

Treatment & Services

  • Adult Congenital Heart Disease Center
  • Clinical Cardiology, Echocardiography, Cardiac Mri
  • Department of Pediatric Cardiology & CT Surgery
  • Echocardiography in Congenital Heart Disease
  • Hypertrophic Cardiomyopathy Center
  • Pediatric Cardiology
  • Pediatric Echocardiography
  • Sports Cardiology Center
View all 8 Treatment & Services +

Specialty in Diseases & Conditions

  • Adult Congenital Heart Disease
  • Aorta Disease
  • Aortic Aneurysms
  • Aortic Regurgitation
  • Aortic Stenosis
  • Aortic Valve Regurgitation
  • Atrial Septal Defects
  • Cardiomyopathy
  • Coarctation Of The Aorta
  • Congenital Heart Disease
  • Congenital Valve Disease
  • Connective Tissue Disorders
  • Dilated Cardiomyopathy
  • Down Syndrome
  • Ebstein Anomaly
  • Ehlers-Danlos Syndrome
  • Eisenmenger Syndrome
  • Endocarditis
  • Heart Murmur
  • Heart Valve Disease
  • Hypertrophic Cardiomyopathy
  • Hypoplastic Left Heart Syndrome
  • Infective Endocarditis
  • Loeys-Dietz Syndrome
  • Marfan Syndrome
  • Mitochondrial Disease
  • Mitral Valve Prolapse
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Myocarditis
  • Orthostatic Hypotension
  • Patent Ductus Arteriosus
  • Patent Foramen Ovale
  • Pericarditis
  • Pulmonary Artery Stenosis
  • Pulmonary Hypertension
  • Pulmonary Valve Disease
  • Pulmonic Regurgitation
  • Pulmonic Stenosis
  • Rheumatic Heart Disease
  • Superior Vena Cava Syndrome
  • Syncope
  • Tetralogy Of Fallot
  • Thoracic Aortic Aneurysm
  • Transposition Of The Great Vessels
  • Tricuspid Regurgitation
  • Tricuspid Stenosis
  • Tricuspid Valve Disease
  • Turner Syndrome
  • Ventricular Septal Defects
  • William's Syndrome
View all 51 Specialties +


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About Kenneth Zahka, MD

Following residency in pediatrics, fellowship in pediatric cardiology and a faculty position at Johns Hopkins, Dr Zahka moved to Cleveland as Director of Pediatric Cardiology at Rainbow Babies and Children's Hospital. After nearly 20 years at Rainbow, he joined the staff of the Cleveland Clinic Children's Hospital in July 2009.  He holds the academic rank of Professor of Pediatrics at the Cleveland Clinic Lerner College of Medicine at Case Western Reserve University School of Medicine.

His clinical focus is genetic forms of cardiovascular disease including hypertrophic cardiomyopathy and connective tissue diseases. His current clinical research centers on the understanding of the impact of the founder gene mutation of myosin binding protein C3 in the Old Order Amish. He is also involved in researching medical therapy for hypertrophic cardiomyopathy. His current education focus is curriculum development to facilitate cardiology fellowship training in cardiopulmonary exercise testing and physiology.

He has been dedicated to the enhancement and development of cardiovascular care abroad, working with cardiologists in the Middle East, Kenya, Armenia, Russia and Ecuador. He has been recognized by Best Doctors in Cleveland from Cleveland Magazine and Best Doctors in America. He is a consultant for the Food and Drug Administration.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Johns Hopkins Hospital
Pediatric Cardiology
Baltimore, MD USA

Residency - Johns Hopkins Hospital
Baltimore, MD USA

Internship - Johns Hopkins Hospital
Baltimore, MD USA

Medical Education - Johns Hopkins University School of Medicine
Baltimore, MD USA

Undergraduate - Boston University
Boston, MA USA


  • Pediatrics
  • Pediatrics - Pediatric Cardiology

Specialty Interests

Genetic cardiovascular disease: hypertrophic cardiomyopathy, Marfan Syndrome, Ehlers-Danlos Syndrome, familial aortic aneurysm, mitochondrial disease, cardiovascular sports medicine, exercise physiology and testing, adult congenital heart disease

Research & Publications

Research & Publications

See publications for Kenneth Zahka, MD.

(Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 11/19/2019, Dr. Zahka has reported no financial relationship with industry that is applicable to this listing. In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Patient Satisfaction Reviews

183 Patient Satisfaction Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
4.9 out of 5
Explains 4.8
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

33 Patient Comments

Reviewed on Mar 18, 2020

Dr Zahka is the absolute best! we feel so blessed to have our daughter under his care

Reviewed on Mar 11, 2020

*Dr. Zahka was great! Took time to explain everything and answered all our questions.

Reviewed on Mar 4, 2020

Everything was great. Dr. Zahka is the best!

Reviewed on Mar 4, 2020

Dr. Zahka is an amazing doctor and he demonstrated such care and concern in delivering a diagnosis regarding our child. We are thankful for our children's health is in his hands. The echocardiogram experience was top-notch, as well.

Reviewed on Feb 5, 2020

Dr. Zahka is truly a wonderful person and excellent doctor.

Reviewed on Jan 29, 2020

Dr. Zahka is always amazing in his care. He is caring, thorough, respectful, and always takes the time to make sure to address all of our needs!

Reviewed on Jan 29, 2020

Dr. Zahka was incredible. He is confident and listens well. We were especially impressed with how he wrote down his comments while explaining everything. Truly one of the best doctors I've ever seen!

Reviewed on Jan 27, 2020

Dr Zahka is the best. Makes you feel comfortable and talks to you so you can understand what's going with your health.

Reviewed on Jan 20, 2020

Dr. Zahka is the ABSOLUTE best!!! He truly cares about each patient as an individual and listens to the children and the parent. He cares for the family as a whole!!!

Reviewed on Jan 16, 2020

We absolutely love Dr Zahka. We appreciate that since our daughter was an infant he has spoken TO her about her health and has been empowering her to be a self advocate.

Reviewed on Jan 16, 2020

i would highly recommend Dr Zahka. He is very approachable and my teenager is very engaged when he's speaking to her. He uses language that she understands which helps her to better understand her diagnosis.

Reviewed on Jan 13, 2020

Dr. Zacha is amazing and so thorough during every visit. He makes certain my daughter and I understand everything before ending each visit. we always leave with an after visit summary and additional notes. I'm able to reference the information as needed. I feel confident in the care we are receiving. He's brilliant and compassion and

Reviewed on Dec 19, 2019

I wish all doctors we're as amazing as Dr Zahka my daughter relaxed with the Dr

Reviewed on Dec 3, 2019

Dr. Zahka went above and beyond in discussing my child's medical situation. He was very clear in his explanation of his findings, why he came to his conclusion as well as any further steps that may be necessary. I certainly appreciated his expertise in helping my child, but what really made an impression was his kindness and the time he took to talk with us, it is very evident that he really cares about his patients and practice.

Reviewed on Nov 20, 2019

Dr. Zahka is THE best doctor I've met in my lifetime. My son does not care to visit any doctors, but going to see Dr. Zahka is like a field trip for him. I look forward to referring friends/family to him (Pray they don't need to use him.) Also, the fellowship doctors did an amazing job and the EKG and Echo nurses were amazing and my son loves them as well.

Reviewed on Nov 4, 2019

always courteous, concerned, respectful, caring we love our care provider good experience always

Reviewed on Oct 23, 2019

Excellently experience. We love Dr. Zahka!

Reviewed on Oct 14, 2019

*Dr. Zahka is an awesome physician. He takes care of my son like family. We are so lucky to have *Dr. Zahka as our physician. Couldn't be happier with our care.

Reviewed on Oct 3, 2019

*Dr. Zahka was very rude & condescending. He made several inappropriate comments, i.e., he told my son not to bring me (mother) next time. I was only trying to help my son because *Dr. Zahka seemed not to care about my son & treated him as is his symptoms were not concerning.

Reviewed on Sep 26, 2019

I can't say enough about Dr Zahka!My Son has a complicated medical and cardiac history . Dr Zahka Took his time in explaining his cardiac issues and test results in great detail to both of us . we never felt rushed and he answered all our questions completely and honestly ! I have already given other people his name and they are also thrilled with the care that he gives not to mention his knowledge base !

Reviewed on Sep 26, 2019

I love Dr. Zahka. He knows me very well and he makes me comfortable when we talk about my care plan and my advanced directives.

Reviewed on Aug 23, 2019

Dr. Zhaka is a kind, caring, diligent, knowledgeable, and wonderful pediatric physician. He spoke to our daughter so that she could understand her heart condition and all the treatment options. He helped us arrange a meeting with the surgeon on a Friday at 515 pm when most doctors have already started their weekend. He even called us a few days later to ask if we had any questions. Superior care and commitment!!

Reviewed on Jul 24, 2019

Dr. Zahka is the BEST!!!!

Reviewed on Jul 22, 2019

Dr. Zahka gives the most thorough explanations of any doctor I've ever gone to!

Reviewed on Jul 18, 2019

Dr Zahka spent a lot of time explaining to our daughter her exact condition and is helping her take ownership of it for the future. The Clinic, (as amazing as it is) seems to have become a manufacturing line for patients. Dr Zahka took the time to make sure everyone understood her test results and answered all of our questions.

Reviewed on Jul 17, 2019

Dr. Zahka is very patient and takes the time to thoroughly explain to me and our daughter her health issue from past to present. We always leave with a clear understanding what to expect in our daughters future.

Reviewed on Jul 12, 2019

We love Dr. Zahka. He makes the kids feel comfortable and teaches them about their heart condition.

Reviewed on Jul 11, 2019

I don't feel like the doctor was interested in any discussion of symptoms. It appears as though he drew his conclusions solely from the ECG results.

Reviewed on Jul 11, 2019

We love Dr Zahka. I especially appreciate that he first speaks directly to my sister who has a disability instead of me. He also gives my sister handwritten notes explaining her health. He is one in a million!!

Reviewed on Jul 11, 2019

Dr Zahka and Danielle are the best. They truly care about their patients!

Reviewed on Jul 3, 2019

So grateful for Dr. Zahka's thorough and compassionate explanation of all aspects. We feel fortunate to have his expertise and experience in our corner.

Reviewed on Jun 26, 2019

Dr. Zahka treats us and our son both with the utmost respect. He makes us feel like we are the most important people to him while he is with us. He is kind and attentive and funny!

Reviewed on Jun 26, 2019

Dr. Zhaka is always very reassuring. He speaks directly to my son and ensures he has complete understanding of his condition, test results and recommendations for future follow up. Our family appreciates thej time and care he takes with us at each visit!!

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