10/1

★Dx of tarchycardia
narro QRS version
regular
vagal manuever
adenosine 6mg 12mg
converts　→PSVT
Not convert→Ectopic atrial tarchycardia、junctional tarchycardia,atrila flutter

irregular
MAT
atrial flutter
atrial fibrilation

★How to detect the aorta dissection?
1 dilation of the mediastinum 29%
2 the differnce of the blood pressure betweent right and left upperlimbs 31%
3 moving of the pain location 83%

1+2+3 100%
If you suspect ACS, you must r/o aortic dissection
RCA>LCA

★How accuracy the first ECG of the MI patient
50-80% ECG does'nt tell you diagnosis,
Repeat the ECG until you make diagnosis

★what is the definition of the abnormal Q wave?
the duration of Q is over the 0.04 sec
the elevation of STline is over the 1mm