Dr. Louis Grenzer

Cardiology
Baltimore, MD
57 years experience male

Locations

Office

Baltimore, MD

Address

6565 North Charles Street, Suite 201, Baltimore, MD
Directions

About

Bio

I am a graduate of Duke University and of the University of Maryland Medical School. I completed a residency in internal medicine and a fellowship in cardiology at the University of Maryland School of Medicine. I am also proficient in the field of hypnosis.

Specialties
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

Internal Medicine

Licenses

United States: Maryland

Doctor Q&A

528 Answers
100 Agrees
The number of answers this doctor has agreed with.
A 25-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Chest pain: There may be no symptoms but if the blockage is severe enough, chest pain, especially on exertion, can occur. Also heart attack or even sudden death. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Several things: The heart muscle, the valves, arteries such as the aorta, the four chambers of the heart, fluid around the heart if present, how hard the heart is con... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Depends: Dizziness is a symptom which can be related to the high blood pressure or to the treatment. So it depends on what her blood pressure is and whether sh... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Yes: Stress is a common cause of chest pain. That said, stress can also be related to heart attacks and heart related chest pain so that it still needs to ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Yes: I am assuming that you mean an organ donor such as to donate a kidney. Of course, that would be a very difficult decision so that I am sure no one wou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
See below: The repair is an operation so you might have pain from the incision. Now if there are complications, you could get many different symptoms depending o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Change diet: What you eat is the most important in how much gas is produced in your intestine. It varies from person to person so you have to be somewhat of a dete... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Under tongue: Usually it is placed under the tongue and allowed to dissolve. It can be given intravenously or by a patch placed on the skin.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Usually does not: A seroma is a collection of clear fluid that can develop after surgery but is most commonly seen following breast surgery and some types of plastic su... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Hard to say: There are many causes of chest pain and I am not certain what you mean by side pain. Anyway, heart problems, gastrointestinal problems, musculoskeleta... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 52-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Medication: There are many medicines which lower both systolic and diastolic blood pressure. Also life style changes such as reducing salt intake, losing weight, ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Maybe: Medication and life style changes can prevent progression and in some cases cause some reversal of the disease.
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Improvement maybe: If the procedure is successful, the palpitations will not recur. Of course, if the procedure is not a success, the symptoms will recur. Then there are... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
No: If you have high blood pressure, you should take your medication daily.
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Depends: The presence of the defibrillator itself is not the issue. Persons with a defibrillator have some type of heart disease, most commonly a weak heart mu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Depends: It depends on what you mean. A contraindication to what? Exercising, flying an airplane, playing a sport? And it also would depend on how bad the athe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Bad battery: Usually it would be that the battery has worn out. Or one of the elebrodes could have a break in it.
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
You need help: Well you probably need some good help as that is not easy. I happen to advocate hypnosis as it is something I do and have seen it help a good bit. Med... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Hypertrophy: Left vemtricular hypertrophy (thickening of the wall of the left ventricle) is asswociated with the use of anabolic steroids.That should be no suprise... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Location: Ischemia is a term meaning that that part of an organ (the heart in this case) is not getting enough blood and oxygen. Anteroapical just refers to the... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Blockage: Plaque builds up in the wall of the artery and can cause the artery to get gradually more narrow. If the plaque ruptures the artery can suddenly get c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Yes: It makes the heart contract more forcefully and makes it beat faster. Both effects will increase the cardiac output.
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Wearing sun glasses: Just kidding! dehydration, certain medications, or an imbalance in the autonomic nervous system (affects blood pressure and pulse), are common causes ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Left ventricle: It passes from the left atrium through the mitral valve and into the left ventricle from which it is pumped out to the body.
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Can weaken the heart: If the blockage results in a heart attack, the heart muscle can get damaged and not contract as hard. That would definitely disrupt homeostasis.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
No: There is no relation between alopecia and badycardia.
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Get a hearing test: Just kidding. I have no idea what you could be hearing. The question would be does anyone else hear that sound. If you had a valve replacement, then ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Pressure in arteries: The pressure in the arteries when the heart contracts is the systolic blood pressure and when it relaxes the pressure is the diastolic pressure. It co... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Several reasons: The answer is the same for systolic blood pressure. Most is idiopathic (you just get it, no reason) and it does run in families. There are certain rar... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Leaking valve: A rupture of the chordae tendinae of the mitral valve would result in severe leakage so that blood would flow backwards into the left atrium when the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Several ways: Looks like no one wants to answer this. Reflux of acid from the stomach to the esophagus can cause a sour taste in your mouth. The esophagus passes al... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
See below: It is the pressure within your arteries when the heart contracts (systolic) and when it relaxes (diastolic).
Created for people with ongoing healthcare needs but benefits everyone.
A 52-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Under left nipple: Well, the point of maximal impulse of the heart, that is where we feel and can see the heart contract, is called the mitral area.The sound made by the... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Probably not.: That location would be unusual. So would the description of sharp. But in medicine we are taught anything can happen. Pain on exertion and in the midd... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Very effective: Although the studies on smoking of hypnosis and other treatments show about 20% success, my personal experience is much better than that. Remember, no... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Depends: There are a lot of factors that affect what medicine should be given first. Race, whether you have diabetes, your age, and how high the blood pressure... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Maybe: Shortness of breath during pregnancy is common. It can be related to pressure from the enlarged uterus pushing up on the diaphragm. The blood volume a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 51-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
No: I don't know of any such relationship. Where did you hear that?
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Yes: The heart rhythm can be abnormal even if you are not anxious. Many times there is not a specific cause, it just happens. You need an EKG to see exactl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Need more info: Some diabetes is hard to control. It is possible you need different medicine or higher doses. Are you taking the medicine, following the recommended d... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Need EKG: You are having some type of heart arrhythmia. Depending on your age and risk factors, it may be a minor problem but there are more serious possibiliti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Ulcer maybe: There are lots of causes of pain in that area but if you have black stool it suggest bleeding so you may have an ulcer or some other problem with the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
It is: By definition, a heart rate of 100 or greater is a tachycardia so the answer is yes.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Medication: High blood pressure generally involves taking pills for treatment. Your question implies that maybe your blood pressure goes up just transiently if yo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Pills: I am not sure of the nature of the ischemic colon problem. That can be an acute emergency at times. But in general, the blood pressure is a separate i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Not unusual: The blood pressure even when normal varies from minute to minute even. It is not uncommon for a patient in the dr.'s office to have a high blood press... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Hole in heart: There is a connection between the left and right sides of your heart. If a clot from the leg for instance crosses that hole and goes to your brain it ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Yes: Actually, I do not have experience with this in children but was very successful in treating an adult patient with bed wetting. Once again, the hypnos... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Very: There have been multiple studies on the statin drugs, one of which is lipitor, (atorvastatin) documenting that there is a significant reduction in hea... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 51-year-old member asked:
Dr. Louis Grenzer
Cardiology 57 years experience
Depends: That is a tough question and a matter of opinion. Whether you need Coumadin (warfarin) in the first place depends on the chad score (how many risk fac... Read More
Created for people with ongoing healthcare needs but benefits everyone.

Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

6
Recommendations
873
Thank you notes
Apr 20, 2015
Great doctor. Consistently gives thoughtful, insightful and expert advice.
HealthTap member
Mar 30, 2015
Dr. Grenzer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Grenzer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you for responding my S/O of 15 yrs was recently diagnosed with 3rd stage lung cancer and now he's in pain but I think some of it is in his head and I worry about the narcotics
HealthTap member
Trying to understand this app on my phone. I have left side chest pain since I-ve been sneezing a lot due to cedar allergies sharp and dull
HealthTap member
Thank you very much,I'm a kidney transplant patient and was told today about the heart, and was told to take potassium . Doesn't sound righ

Education & Training

Medical/Graduate school

University of Maryland School of Medicine, MD
Graduated 1966MD

Awards

Top Cardiologist , First Place, Maryland - Fall
2014
Top Cardiologist, First Place, Maryland - Spring
2017
Top Cardiologist, First Place, Maryland - Fall
2017
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