Exhibit 23.4

                        Consent of Independent Auditors

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-4) of Respironics, Inc. and Subsidiaries for the
registration of 3,032,860 shares of its common stock and to the incorporation
by reference therein of our report dated July 24, 2001, with respect to the
consolidated financial statements and schedule of Respironics, Inc. and
Subsidiaries included in its Annual Report (Form 10-K) for the year ended June
30, 2001, filed with the Securities and Exchange Commission.

                                          /s/ Ernst & Young LLP

Pittsburgh, Pennsylvania
January 18, 2002