心电图速读（ECG reading）.docVIP

心电图速读（ECG reading） Reading.Txt and ECG heart has far, sincerity is the middle of the channel. Can fire assay, a woman may try to use gold, men may try to use a woman -- often can not stand it a try. 11 step reading ecg: First, the law and rate are defined, and then conduction and interphase are considered. Three check bypass pre excitation sign, four measure high and low ST. Five cases lost R pathological Q, six view T waveform variation. The seven debate room was large left or right, and the eight diagnosis room was large, second, and V1P. Nine axial left, right, and I can see aVF. Exclude him because of the tenth step, contact clinical, dont forget. Sinus rhythm: II P stands, aVR P falls, P-R interval 0.12 seconds. Arrhythmia analysis: P-P, R-R and P-R, the three rules should be good, Width, frequency, the most important, wide, narrow, fast and slow is the law, Top-down is the right way. Note: Sinus tachycardia: Sinus P interval is less than 3 tachycardia. Note: sinus P wave PP or RR interval less than 3 parts, namely the heart rate 100 times / points for tachycardia. Sinus bradycardia: Sinus P interval, over 5 over slow. Note: sinus P wave PP or RR interval of more than 5 parts, namely the cardiac 60 / sub is too slow. Sinus rhythm: Sinus P interval, 3 - 5 ventricular rhythm. Note: sinus P wave PP or RR interval in the 3 - 5 parts, namely 60 - 100 times / sub rhythm is normal. P - R interval: 0.12 seconds, 3 small 0.12 seconds, this number is too important! P-R is shorter than 0.12 seconds, is probably the preexcitation syndrome, left accessory pathway shortcut. The junctional rhythm should be considered and the atrioventricular node should be considered. 0.20 seconds, four compartments for 0.20 seconds to remember this number. P-R0.20 seconds, the atrioventricular block is 1 degree, clearly measuring II conduction. QRS wave group: 0.12 seconds is an important indicator, dividing QRS into wide strip and narrow strip. A normal supraventricular rhythm is a narrow