Page 460 - 2021 IDMT Digital
P. 460
ANALYZING EKGs
Rate:
• 8VH WKH 7ULSOLFDWH 0HWKRG WR GHWHUPLQH WKH UDWH
o &RXQW WKH OLQHV
Rhythm:
• 'HWHUPLQH LI WKH UDWH LV UHJXODU RU LUUHJXODU
o 0HDVXUH WKH GLVWDQFH EHWZHHQ WKH 5 5 LQWHUYDO RI WKH 456 FRPSOH[
Waves and Intervals:
• 3 :DYH
o 'HWHUPLQH LI 3 ZDYHV DUH SUHVHQW
o 'HWHUPLQH LI HDFK 3 ZDYH SUHFHGHV HDFK 456 FRPSOH[
o 'HWHUPLQH LI WKH 3 ZDYHV ORRN VLPLODU RU GLIIHUHQW IURP HDFK RWKHU
• 35 ,QWHUYDO
o 'HWHUPLQH LI WKH 35 LQWHUYDO LV QRUPDO RU ZLGHQHG
1RUPDO 35 ,QWHUYDO OHVV WKDQ VHFRQGV ODUJH VTXDUH
• 456 &RPSOH[
o 'HWHUPLQH LI WKH LQWHUYDO LV ZLGHQHG
$ QRUPDO QDUURZ 456 OHVV WKDQ WKUHH VPDOO VTXDUHV VHFRQGV
o 'HWHUPLQH LI WKHUH DUH DQ\ EXQGOH EUDQFK EORFNV %%%V
• 47 ,QWHUYDO
o 'HWHUPLQH WKH 47F
Axis:
• 'HWHUPLQH WKH D[LV E\ ORRNLQJ DW WKH GHIOHFWLRQV RI /HDG DQG /HDG $9)
Hypertrophy:
• 'HWHUPLQH LI /9+ LV SUHVHQW
o +\SHUWURSK\ LV SUHVHQW LI WKH GHSWK LQ WKH 6 ZDYH LQ OHDG 9 WKH GHSWK RI WKH
5 ZDYH LQ 9 LV JUHDWHU WKDQ PP
Infarction Signs:
• 67 ,QWHUYDO
o 'HWHUPLQH LI WKH 67 LQWHUYDO LV HOHYDWHG RU GHSUHVVHG
• 4 :DYHV
o 'HWHUPLQH LI DQ\ 4 ZDYHV DUH SUHVHQW
6LJQLILFDQW 4 ZDYH LV DW OHDVW RQH VPDOO VTXDUH ZLGH VHF RU LV
RU PRUH WKH DPSOLWXGH RI WKH HQWLUH 456 FRPSOH[
• 7 :DYHV
o 'HWHUPLQH LI WKHUH DUH DQ\ QHZ LQYHUWHG 7 ZDYHV HVSHFLDOO\ LQ OHDGV 9 9
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