Electrophysiologist, Dr. Bhakta, approaches ECGs clinically to get the most urgent things first before focusing on other details. He asks 4 questions in order. Rate – Is it fast or slow (i.e. tachycardia or bradycardia?) QRS – Wide or narrow? Rhythm...
The ECG paper runs at 25 mm/sec through the ECG printer. That’s the convention. Every ECG machine works like that. Always. The ECG machine and the ECG paper are set up by convention in such a way that 300 big squares pass through the pointer of the ECG in one...
ECG Tips from an Indian Physician The Eyeball Technique: 10 Rules for rapid ECG Reading. Heart Rate: 3 to 5 rule & big box rule P wave: Lead II taller than I AV Conduction 1: > one large square rule AV Conduction 2: Who is related to whom? QRS duration: Little...
In sinus arrhythmia, the rate usually gradually slows and then gradually speeds up. This is due to breathing and the effects of the sympathetic and parasympathetic system. In sinus arrhythmia, there is a normal, extremely minimal increase in HR during inspiration and...
