Our heart is a complicated organ and it contains so many organs and sun organs. And a defect in any of such organ cause some problem to the heart which can be detected well by ECG. What is sinus bradycardia? This is an abnormal heart rhythm which originates due to problems in some parts and the heart rate becomes less than 60 beats per minute.
What is bradycardia can also be understood by the cause of of it. The abnormal or slow rhythm of heart occurs due to Increased vagal tone, an effect of medicines like the use of digitalis or beta-blockers or even quinidine. Intrinsic disease of the SA node, sleep disorder and may be sometimes due normal even.
What is sinus bradycardia ECG rate? You will find the following conditions in your ECG report if you have bradycardia. The heart rate is 60 or less, the rhythm is regular, the p waves are upright and consistent. The P-R interval is between 0.12-0.20 seconds in duration and the QRS complex is less than 0.12 seconds in width, and consistent in morphology.
Sinus bradycardia is exhibited by the symptoms of a general feeling of dizziness, accompanied by confusion, and angina. It could also exude in symptoms like shortness or inability to breathe effectively and normally. There is a difference between sick sinus symdrome and sinus bradycardia. In sinus bradycardia the heart rate is always slow or less than 60 BPM but in SSS the heart rate may be slow or fast depending in the condition of sinus node.

