Dr. John Norris
Cardiology - Cardiac Electrophysiology
FL
36 years experience male
Locations
Pinellas Arrhythmia Associates
Clearwater, FL
Phone
Practice website
Insurances accepted
Aetna
Blue Cross Blue Shield Of Florida
Cigna
Coventry Health Care
Humana Insurance Company
UnitedHealthcare
About
Bio
Medical School: Temple University, Philadelphia, PA 1986
Cardiology Fellowship: Penn State University, Hershey, PA 1990-92
Cardiac Electrophysiology Fellowship: Indiana University, Indianapolis, IN 1992-94
Catheter Ablation Faculty: Ohio State University, Columbus, OH 1994-96
Private Practice
SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Cardiology - Cardiac Electrophysiology
Cardiac Electrophysiology
Cardiology
Licenses
United States: Florida
Doctor Q&A
52 Answers
3 Agrees
The number of answers this doctor has agreed with.
A 48-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Both are effective: Catheter ablation for atrial fibrillation is reserved for the management of patients who have breakthrough atrial fibrillation spells despite treatmen... Read More
4.7k viewsReviewed >2 years ago
A 23-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Stress: Dka causes metabolic and hemodynamic stress on the body that is very commonly associated with tachycardia. Contributing factors include: hypovolemia, ... Read More
4.7k viewsReviewed >2 years ago
A 20-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Need a monitor: A cardiac monitor and treadmill stress test would be helpful in determining the cause of your symptoms. Having your heart rate increase to a maximim o... Read More
4.7k viewsReviewed >2 years ago
A 48-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Has it helped?: The answer to your question depends on your response to the treatment. The dose of Propranolol is so low, and the formulation er (extended release) is... Read More
4.7k viewsAnswered >2 years ago
A 42-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Ask the cardiologist: Right bundle branch block (rbbb), even partial, is not a serious condition. Most likely, this is unrelated to your history of mi's and angina. At your... Read More
4.7k viewsReviewed >2 years ago
A 26-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Yes: Yes, if you are an otherwise healthy 26 year-old, exercising to a heart rate of near 200 BPM would be normal. An exercise heart rate of 175 would be h... Read More
4.7k viewsReviewed >2 years ago
A 41-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
No time frame: There is no specific time frame for symptoms to be present to be diagnosed according to the "dsm" (diagnostic and statistical manual) or the "icd" (in... Read More
4.7k viewsAnswered >2 years ago
A 56-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
24 hour monitor: The symptom of pounding heartbeat can be significant, or may be related to a benign condition. If your nephew has these symptoms on a daily basis, a 2... Read More
4.7k viewsReviewed >2 years ago
A 42-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Excellent: Many patients with atrial fibrillation live long and happy lives. Although atrial fibrillation may cause significant symptoms, many patients are asymp... Read More
4.7k viewsAnswered >2 years ago
A 28-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Probably not: The risk of sca is very low in the young, healthy population. Unless you have a family history of sca or a genetic predisposition to sudden death, you... Read More
4.7k viewsReviewed >2 years ago
A 29-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Normal physiology: Tachypnea (fast breathing) and tachycardia (fast heart beat) are both common in patients with pneumonia. Fast breathing is due to impaired gas exchang... Read More
4.7k viewsAnswered >2 years ago
A 31-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Ask her cardiologist: The answer to your question depends upon the result of her cardiac catheterization. If your mother has significant coronary artery disease she may nee... Read More
4.7k viewsAnswered >2 years ago
A 44-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Yes: Any kind of infection can cause heart palpitations. The most common reasons for palpitations associated with infections include fever and dehydration.... Read More
4.7k viewsAnswered >2 years ago
A 30-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
You can try it: Acupuncture has been tried along with many other non-medical (alternative) treatments for cardiac palpitations. In my experience, a medical approach s... Read More
4.7k viewsReviewed >2 years ago
A 34-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Guidelines: There are risks and benefits as well as costs associated with every medical procedure. That is why doctors have guidelines that have been established ... Read More
4.7k viewsReviewed >2 years ago
A 19-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Low flow to brain...: The most common cause of fainting when rising to a standing position is decreased blood flow to the brain. This can result from either low blood press... Read More
4.7k viewsAnswered >2 years ago
A 43-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Probably not: Valsartan, also called Diovan (valsartan) is an "arb" (angiotensin ii receptor antagonist) typically used for the management of hypertension and conge... Read More
4.7k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
No: The "target" heart rate during exercise is different for people of different ages. Although the typical maximal age-predicted heart rate for a 40 year... Read More
4.7k viewsReviewed >2 years ago
A 28-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Low: The probability of sca is low in the young, healthy population. Unless you have a family history of sca or a genetic predisposition to sudden death, y... Read More
4.7k viewsReviewed >2 years ago
A 21-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Probably not: Although heart palpitations are common, they should not be considered "normal." the best approach to finding out about your palpitations is to see you... Read More
4.7k viewsReviewed >2 years ago
A 31-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Probably not: Valerian, a naturally occurring medicinal herb, has mild sedative effects but no known cardiac electrical effects. It has been used in the treatment o... Read More
4.7k viewsAnswered >2 years ago
A 27-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Yes, perhaps: Chest pains in young and healthy people are common. The most common reasons include: musculoskeletal aches and pains, gastroesophageal reflux, and a c... Read More
4.7k viewsReviewed >2 years ago
A 21-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Best to avoid risk.: Although technically you could give blood, you would be putting yourself at risk for a fainting spell due to your autonomic syndrome. What i mean by t... Read More
4.7k viewsReviewed >2 years ago
A 28-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Probably not: A sudden cardiac arrest (sca) is a rare phenomenon. It almost always occurs in patients who have cardiac disease: either electrical, mechanical, or re... Read More
4.7k viewsReviewed >2 years ago
A 38-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Yes and No: There are characteristic abnormalities in the cardiac enzymes (blood work) that occur at the time of a heart attack and persist for days afterward. So... Read More
4.7k viewsReviewed >2 years ago
A 35-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Vaughan-Williams: What you are referring to, i believe, is what is called the vaughan-williams classification (circa 1970) of anti arrhythmic drugs. Class i drugs block... Read More
4.7k viewsReviewed >2 years ago
A 27-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Depends on symptoms: The symptoms you have determine the need for ekgs and other procedures. It may be that a more prolonged period of monitoring (from 24 hours up to one ... Read More
4.5k viewsReviewed >2 years ago
A 23-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Need a monitor: Given the symptoms you describe, a 24 hour (holter) cardiac monitor or a blood pressure monitor would be useful in helping to determine the cause of y... Read More
4.7k viewsAnswered >2 years ago
A 46-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Need a monitor: Palpitations for years may be abnormal. If the palpitations are constant, an ekg will often make the diagnosis, but if the palpitations are intermitte... Read More
4.7k viewsReviewed >2 years ago
A 45-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Nothing: Most patients have "low cardiac awareness, " meaning that they can't feel their heart beating normally. Anyone can be trained to take their pulse by f... Read More
4.7k viewsReviewed >2 years ago
A 38-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Ask the cardiologist: A cardiologist will be the best physician to review your symptoms and tests to determine the need for testing to show what is wrong with the heart. Th... Read More
4.7k viewsReviewed >2 years ago
A 19-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Try Nadolol: An older, generic (cheap) treatment option that is often very successful in IAST is Nadolol, a non-selective, longer acting B-blocker that allows you ... Read More
2.8k viewsReviewed >2 years ago
A 33-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Need a monitor: The heart rate increases and slows normally throughout the day. The "weird feeling" that you get, if associated with excessive heart rate slowing may ... Read More
4.7k viewsAnswered >2 years ago
A 23-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Meats, fish, chicken: The best sources of dietary iron are meats, including beef, fish and seafood, and chicken. Liver is another excellent source of iron. Plant sources of... Read More
4.3k viewsAnswered >2 years ago
A 37-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
No: Although a torn chordae tendinae can result from a heart attack, the two are not synonymous. Tearing of the chordae (part of the mitral valve apparatu... Read More
4.3k viewsReviewed >2 years ago
A 29-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Need a monitor: Your symptoms are most likely related to an irregularity in the heart (cardiac) rhythm. The kind of symptom complex you describe may be associated wit... Read More
4.3k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Need a monitor: Although the palpitations you are experiencing may be a kind of "allergic" response, that is not likely unless there are other manifestations (like a ... Read More
4.7k viewsAnswered >2 years ago
A 37-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Yes: Indigestion, or any cause of pain for that matter can cause an increased (rapid) heart rate. The mechanism for the rapid heart rate in indigestion rel... Read More
4.3k viewsAnswered >2 years ago
A 41-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Yes and no: Influenza (the flu) does not directly cause palpitations, but conditions commonly associated with the flu can lead to palpitations. Common reasons why... Read More
4.7k viewsAnswered >2 years agoMerged
A 33-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Probably not: At your young age, a heart rate of 100 is not likely to be dangerous. It usually means that there is some other metabolic condition or non-cardiac pro... Read More
4.7k viewsAnswered >2 years ago
A 39-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Normal ranges...: Your monitor results sound normal. There is a great deal of heart rate variability during a given 24 hour period. A range from 49 to 150 beats for min... Read More
4.7k viewsReviewed >2 years ago
A 48-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Probably not: Crestor (rosuvastatin) in this dose does not often cause a racing heart. It might be that your heart is rented for another reason. I would check with ... Read More
4.7k viewsReviewed >2 years ago
A 45-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Anxiety plays a role: "symptomatic" means that you can feel the heart. The sinus node is the area in everyone's heart where the normal electrical heartbeat is generated. Th... Read More
4.7k viewsAnswered >2 years ago
A 49-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Yes and no: "bad ekg results" aren't good. The ekg is the body surface representation of the electrical activity of the heart, and not the blood or other things. ... Read More
4.7k viewsAnswered >2 years ago
A 49-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Not usually: Lipitor (atorvastatin) does not commonly affect the heart rate or rhythm. Rarely, patients are allergic… patients who take Lipitor (atorvastatin) may ... Read More
4.7k viewsReviewed >2 years ago
A 24-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Need a monitor: Your symptoms are most likely related to an irregularity in the heart (cardiac) rhythm. The kind of symptom complex you describe may be associated wit... Read More
4.7k viewsAnswered >2 years ago
A 28-year-old female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Consider counseling: Unless you have a family history of sca or a genetic predisposition to sudden death, your risk should also be low. The risk calculator developed by dr... Read More
4.7k viewsAnswered >2 years ago
A 36-year-old male asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Calcium blocker: Calcium channel blockers are often used for the management of hypertension in pregnancy. Beta blockers are classified as pregnancy category c, meaning... Read More
4.5k viewsAnswered >2 years ago
A 49-year-old member asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Many variables: Many different factors contribute to the heart rate in recovery after exercise: the normal resting (pre-exercise) heart rate, the intensity and durati... Read More
4.7k viewsReviewed >2 years ago
A female asked:
Dr. John Norrisanswered
Cardiology - Cardiac Electrophysiology 36 years experience
Low blood pressure: The symptoms you describe are most likely related to low blood pressure. You may have a syndrome called orthostatic hypotension or possibly neurocardi... Read More
4.7k viewsReviewed >2 years ago
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
2
Recommendations
70
Thank you notes
HealthTap member
Mar 31, 2015
Dr. Norris is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Norris is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer was very helpful! Thanks it slowd my hrt rte which in trn slowd PVC's+activity so NO hlp
HealthTap member
This saved my life. Thank You! Thank you for your help. It is a pulmonary embolism. Now being treated
HealthTap member
Thanks for your quick reply! Thank you I will go talk to my doctor about this. I appreciate it
Education & Training
Medical/Graduate school
Temple University School of Medicine, PA
Graduated 1986MD
Residency
READING HOSPITAL MEDICAL CENTER
Residency
3 year
Completed 1989
Residency
Chief Resident
Completed 1990
Awards
Fellow, American College of Cardiology
Fellow, Heart Rhythm Society
Affiliations
Largo medical center
Morton plant hospital
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
Answer emailed
in 24 hours or less