Lybrate.com has an excellent community of Cardiologists in India. You will find Cardiologists with more than 42 years of experience on Lybrate.com. You can find Cardiologists online in Chennai and from across India. View the profile of medical specialists and their reviews from other patients to make an informed decision.
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Hello Dr. Sir my mother is 55 year old is hearts patient 2009 first heart block then second 2010 the Dr. had surgery plant the pacemaker after 5 year ago 2010 may mother is in this time big fat grow but please concern loss weight to next some carefully my mom.
I am 33 years old I am suffering from AF with CVR. However my BP and heart rate are normal only. Now I am looking forward to change my job. During pre- employment medical check up ECG is one of the parameter. I am getting improper graphical pattern with ECG due to AF. Is it acceptable or it is impact may medical fitness. Pl advice me.
Hi. My husband is 34 years old. He has been diagnosed with hypertension. Medicines were not able to bring it under control. It was 220/140 .diastolic never came down below 180. He has been hospitalized now. Echocardiogram says that thickness of muscle in heart has increased. However everything else is normal. Renal Doppler also fine. I am taking care of him alone. Dr. please tell me the severity. And is it reversible. Will the thickness go back to normal.
I have preeclampsia, in pregnancy my bp rises, and stop my baby's growth, finally he died in overy. Can any one have a idea before I conceive to face that problem or reduce these permanently. Please Give me ans.
I have acne which is of grade two. As on the recommendation of the dermatologist I started using isopil 20 mg and now it showing side effect like palpitation, nervousness.what should I do? Shall I stop using the drug?
Hi doctor my age 23 and my weight 85 kgs height 5'8 I have SVT PALPITATIONS Problem Now I want to start jogging it is safe to me or not can I jog or not.
I am 28 years old male, my latest report says that my hdlc direct is 31, sgot 37.31, sgpt 66, ggt 118 and t4 12.6. It is serious issue? What I should I do?
Dear Doctor, good morning. I am suffered low blood pressure from last 4 years. Present my age is 44 yrs. Timely I am using food & breakfast. In summer I am suffer more complaints. Kindly give your suggestion & will use any medicines to short out the problems. Kvkrishna rao, Jamshedpur-Jharkhand.
The heart's electrical conduction system plays a very important role in cardiovascular functioning. Also known as the atrioventricular (AV) conduction system, it regulates and controls the timing of the heartbeat.
How does the heart's electrical conduction system work?
There is a collection of electrical cells in the upper right atrium of the heart known as the sinoatrial (SA) node which acts as a natural pacemaker and generates electrical signals. These signals travel through specialized electrical pathways and stimulate the muscular walls of the heart to contract in a rhythmic manner. This gives rise to the heartbeat that pulses at a specific frequency every minute.
What is the effect of fluctuations in electrical activity on the heart?
The standard heart rate in human being ranges from 60 to 100 beats per minute. It slows down when a person sleeps and speeds up when one experiences physical or emotional heightening. These fluctuations are triggered by the brain or other systems of the body and signal the SA node to generate charges more rapidly or slowly. This leads to spikes and drops in the heart rate, depending on the nature of the situation.
What happens when there is dysfunction in the heart's electrical activity?
When the heart's electrical conduction system does not function properly, it leads to the occurrence of a condition known as arrhythmia or abnormal heart rhythm. This happens when electrical impulses are generated in an irregular manner and causes tachycardia (rapid heartbeats) or bradycardia (slow heartbeats) which takes place in jarring infrequent tempos.
What causes fluctuations in the heart's electrical activity?
There are various kinds of triggers that cause the heart rate to fluctuate. The exact nature of fluctuation also depends on the type of trigger. A few everyday examples of these causes are as follows:
- Exercise and strenuous physical activity increases electrical activity as the heart is required to beat faster so as to increase the supply of blood and oxygen to the muscles.
- Sleep and rest reduce heart rate as the body is not needed to exert itself.
- Release of adrenaline into the bloodstream causes the heart rate to spike up. If you wish to discuss about any specific problem, you can consult a cardiologist.