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dr mary joseph mercader
Cardiologist-Electrophysiologist
Medical Plaza Makati
Suite 1706
Amorsolo St. Legazpi Village Makati City
Suite 1706
Amorsolo St. Legazpi Village Makati City
Electrophysiology (EP) is a subspecialty of cardiology that focuses on the evaluation, diagnosis, management and potential cure of abnormal heart rhythms. While EP focuses on the electrical issues of the heart, the specialty also has close interaction with other fields in Cardiology and Medicine in general. As I tell my patients, I am essentially an “electrician of the heart,” with the heart being a mechanical pump that requires the electrical function to work appropriately.
Other common rhythm disorders include atrial flutter and supraventricular tachycardia, each of which has its own risks and treatment options. Certain rhythm disorders (arrhythmias ) need to be treated with implanted devices such as pacemakers , AICD, CRT and CRT-D, due to the risk of cardiac arrest, the risk of having significant symptomatic bradycardia ( less than 40 bpm during waking hours ), and severe symptomatic heart failure despite optimal medical therapy.
Thankfully, EP procedures generally carry relatively low levels of risk. Depending on the type and expected duration of a procedure, general anesthesia may be used; in other cases, light or moderate (conscious, or twilight) sedation may be employed. Most procedures require just a single night in the hospital, and patients usually can return to regular activity in about a week for ablations, or two weeks for pacemakers and defibrillators. ![]() |
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An arrhythmia is an abnormal or irregular heartbeat and can cause patients to feel uncomfortable . Most patients can find relief with new medications that solve their problem by keeping their arrhythmia in check. However, some patients may need a minimally invasive procedure. If you have any concerns/questions about what the field of Electrophysiology is all about, you may visit or contact us at ![]() |
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