ECG

Question 0

Cac buoc doc eCG

Answer 0

Nhip va tinh deu dan
P
Khoang PR
QRS
ST
T
U
QTc
Nhip

Question 1

Vi tri cac chuyen dao truoc nguc?!

Answer 1

V1: kls4+bo phai uc
V2: kls4+bo trai uc
V3:giua 2 va 4
V4: trung don trai va kls 5
V5: nach truoc ngang V4
V6: nach giua va V4-5
V4R: that phai
V8 V9 thanh sau that trai

Question 2

Song P

Answer 2

Khu cuc nhi
0.12s, 2,5mm
Duong: I II aVF V2-V6
Am aVR
Duog/am/hai pha: III aVL V1

Question 3

O vuong nho va lon

Answer 3

Nho: 0,04s 1mm
Lon 0,2s 5mm
Van toc giay 25mm/s

Question 4

Tan so

Answer 4

300/ o vuong lon

Question 5

Khoang PR

Answer 5

Dang dien

0.12 den 0.2

Question 6

Khoang PR dai nga

Answer 6

Dai: block nhi that do 1
Ngan: kich thich som/ nhip bo noi/ nhip nhi thap

Question 7

QRS doc cac y

Answer 7

Q
R
Bien do QRS
Dai QRS
Truc dien tim
Thoi gian noi dien QTc

Question 8

Song Q

Answer 8

V1-3 co la bat thuong
III aVR : q bat ki la binh thuong
Mat o V5-6 la bat thuong
I II, aVL aVF V4: co the co q nho

Question 9

R

Answer 9

Bien do va thoi gian tang tu v1-V4 va V5

Question 10

QRS thoi gia bien do

Answer 10

Thoi gian: 0,06-0,1
Bien do
Thap: <10 o nguc

Question 11

Truc

Answer 11

Dong ho cat la lexh phai

Lexh trai

Question 12

Noi dien VAT

Answer 12

V1-V2 (0.035

V5 - V6( 0,045

Question 13

ST

Answer 13

Cheng len 1mm

Chenh xuong 0,5mm

Question 14

T

Answer 14

Bien do
Khong qua 5 o chi, ko qua 10 truoc ngux!
Chieu goog P

Question 15

U

Answer 15

<1/4 T

Cung chieu

Question 16

QT

Answer 16

Binh thuong: <1/2 RR

QTc 0.39+_0.04

Question 17

Nhip xoang

Answer 17

P truoc moi phuc bo QRS
Truc p binh thuog
Khoang PR binh thuog

Question 18

Loan nhip xoang

Answer 18

RR max-RR min>0.16

Question 19

Nhanh xoang, chamxoang

Answer 19

> 100

<60

Question 20

Song P xem o dau ro nhat

Answer 20

DII, V1

Question 21

Lon nhi phai

Answer 21

P cao nhon >2,5 o DII

Phan duong o V1 >1,5

Question 22

Lon nhi trai

Answer 22

DII: P >0,12 dang chu M
V1: P hai pha, phan am >0,04 va >1mm

Question 23

Day thât xem chuyen dao nao

Answer 23

DI va V1

Question 24

Dau hieu day that o DI va VI

Answer 24

DI:qRs V1:rS Lon that trai: V1: S DI: R Lon that phai: V1: Rs DI: rS Lon 2 that: DI: RS V1: RS

Question 25

Tieu chuan dien the day that trai

Answer 25

``` RDI+SDIII>26 RaVL>11 RV5-6> 26 SV1+RV5-6>35 RaVL +SV3>20 (nu) 28( nam) ```

Question 26

Tang ganh that trai

Answer 26

Tam thu: ST chenh xuong, T dao chuyen dao ngũc trai, noi dien V5-6 keo dai Tam truong: T cao doi xung chuyen dao nguc trai, ST chenh xuong nhe (<1) V5-6, Q sau V5-6.

Question 27

Phi dai that phai

Answer 27

``` Truc lech phai Nhi phai to RV1+SV5-6> 11 RV1>5 va R/S>1 ST chenh xuong va T dao V1-3 ```

Question 28

Tang ganh that phai

Answer 28

Tam thu: R cao va T dao chuyen dao nguc phai V1 Tam truog: rSR" o V1

Question 29

Phi dai 2 that

Answer 29

Tieu chuan phi dai that trai cua chuyen dao truoc ngũc+ truc lech phai o chuyen dao chi S bien do thap o S1 va S sau o V2 Tieu chuan phi dai that trai o cac chuyendao truoc ngũ trai+ R cao o chuyen dao truoc nguc phai Lon nhi trai + tieu chuan goi y phi dai that phai