Author: Johnson Francis

Tiny branches of the conduction system which connect with the heart muscle fibres are known as Purkinje fibres.

Major clogging of the arteries require mechanical methods of removal methods like angioplasty.

Can you stop your heart by breath holding? Heart is not under voluntary control. So you cant stop it voluntarily.

Nitroglycerine dilates blood vessels of the heart and relieves the pain due to angina pectoris.

Devices generating electromagnetic forces should be at a safe distance from the pacemaker depending on the intensity of the field generated.

Electrocardiogram (ECG) records the electrical activity of the heart. Most important role of an ECG is to confirm a heart attack.

There are various causes for systolic murmur, some of which are serious while a large majority are innocent. Innocent murmurs do not require any treatment.

Only those disorders which have produced an abnormality in the electrical activity of the heart can be detected on ECG.

Persons on pacemaker can invariably do light walking. Those with a rate responsive or dual chamber physiological pacemaker can exercise as well.

Heart rate increases in inspiration (breathing in) and decreases in expiration (breathing out). This change is known as respiratory sinus arrhythmia.