Лекарственная и немедикаментозная терапия нарушений сердечного ритма и проводимости, страница 28

11.Guidelines for cardiopulmonary resuscitation and emergency cardiac care. Emergency Cardiac Care Committee and Subcommittees, American Heart Association. Part III. Adult advanced cardiac life support. JAMA 1992; 268:2199-2241.

12.Stwart RB, Bardy GH, Greene HL. Wide complex tachycardia: Misdiagnosis and outcome after emergent therapy. Ann Intern Med 1986; 104:766-771.

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Table 1 shows the prevalence of predominantly negative QRS complex in the 4 chosen leads in SVT vs VT.

Lead I

Lead Ii

Lead V1

Lead V6

VT

SVT

37 (66%)

0 (0%)

40 (71%)

6 (24%)

26 (46%)

16 (64.3%)

40 (71%)

0 (0%)

Table 2 shows a multiple logistic regression in a forward manner using lead I and II, as independent predictors

B

R

Significance

Lead I

Lead II

-2.568

-1.878

-0.358

-0.26

<0.0001

<0.0024

Table 3 shows the Chi-square and P-value of each set of criteria when applied separately and compared to the final EPS diagnosis

Brugada (8)

Camm group (21)

The New criteria

X2

24

35

58

P value

0.0001

0.0001

0.0000

Table 4 shows the discriminative analysis of the three criteria

Brugada (8)

Camm group (21)

The New Criteria

Sensitivity

Specificity

+ve predictive value

-ve predictive value

89.2%

68.4%

84.7%

76.7%

82.1%

88%

93.8%

68.7%

89.2%

100%

100%

80.6%

Table 5 shows the sensitivity and specificity of the first two steps in Brugada algorithm

Absent RS

RS intervals > 100 ms

Sensitivity

42.8%

44%

Specificity

84%

74%

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