1. ST segment elevation
1) Q wave MI : >1mm elevation in two or more limb lead ¥±,¥², and aVF(inferior)
: >2mm elevation in two or more precordial leads V1 to V6(anterior)
transmural infarction
0.04 sec ÀÌ»óÀÇ Æø
°°Àº À¯µµ¿¡¼ Å©±â°¡ R wave ³ôÀÌÀÇ 25% ÀÌ»ó
wave´Â transmural infarctÀÇ sign
¼ö³âµÚ¿¡ ¼Ò½Ç ¶Ç´Â Æò»ý Áö¼Ó
º¸ÀüÀû ¿ä¹ýÀ» ½ÃÇàÇϸé¼, CK-MB µîÀ» ÃßÀû °Ë»ç
½Ã°£¿¡ µû¸¥ EKG º¯È
: Tall T wave - ST elevation - T wave inversion - Q wave, ST normalization
** acute pericarditis : ST elevation - ST normalization - T wave inversion
DDx±Þ¼º ½É³¶¿°±Þ¼º½É±Ù°æ»öST ºÐÀý »ó´ëº¯È
(À¯µµ ¥°, ¥±¿¡¼)
ST ºÐÀý »ó½Â¸ð¾ç
QÆÄ
ÁøÇà±â°£¾ø´Ù. ¸ðµÎ¿¡¼ »ó½ÂÇÑ´Ù
upward concave
¾ø´Ù
¼öÁÖÀÖ´Ù. ÇÑ À¯µµ¿¡¼ »ó½ÂÇÏ¸é ´Ù¸¥ À¯µµ¿¡¼ ÇÏ°
upward convex
ÀÖ´Ù
¼ö°³¿ùDifference between acute pericarditis and AMI in EKG
Q wave infarctionÀÇ localization
i¡¦(»ý·«)
2) others
¨çhypertropy : LVH or RVH, HCM(IHSS)
¨èchronic myocardial dz : myocarditis, idiopathic cardiomyopathy, amyloidosis, sarcoidosis, tumor etc
¨é acute myocardial injury : acute myocarditis, myocardial ischomia, pericarditis, hyperkalemia, myocardial trauma
¨ê ÀüµµÀå¾Ö : LBBB, LAFB, LPFB, WPW syndrome
¨ë ±âŸ : pulmonary embolism, Lt. pneumonia, MVP
¨ì Á¤»ó¼Ò°ß : lead ¥², aVF, V1,2ÀÇ Q wave´Â Á¤»óÀο¡¼µµ ÈçÇÔ
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