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Table 1 The values of norms for different flow rates

From: An automated tool for localization of heart sound components S1, S2, S3 and S4 in pulmonary sounds using Hilbert transform and Heron’s formula

TLS	THS	TM	Range of Norm	TF
			of a _p
			> 3.10	High
Normal	Normal	Normal	0.81-3.10	Medium
			0.10-0.80	Low
			> 3.30	High
Normal	Abnormal	Abnormal	0.91-3.30	Medium
			0.10-0.90	Low
			>3.28	High
Abnormal	Normal	Abnormal	1.59-3.28	Medium
			0.10-1.58	Low
			> 3.35	High
Abnormal	Abnormal	Abnormal	1.97-3.35	Medium
			0.10-1.96	Low

TLS: Types of Lung Sounds; THS: Types of Heart Sounds; TM: Types of Mixtures; TF: Type of Flow.

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