Exhibit 3.198

State of Missouri
Rebecca McDowell Cook, Secretary of State
P.O. Box 778, Jefferson City, Mo. 65102
Corporation Division

Articles of Incorporation
(To be submitted in duplicate by an attorney or an incorporator)

The undersigned natural person(s) of the age of eighteen years or more for the
purpose of forming a corporation under The General and Business Corporation Law
of Missouri adopt the following Articles of Incorporation:

Article One

The name of the corporation is EmCare of Missouri, Inc.

Article Two

The address, including street and number, if any, of the corporation's initial
registered office in this state is 300-B East High Street, Jefferson City, MO
65101 and the name of its initial agent at such address is National Registered
Agents, Inc.

Article Three

The aggregate number, class and par value, if any, of shares which the
corporation shall have authority to issue shall be:
1,000 at $0.01 par value, Common

The preferences, qualifications, limitations, restrictions, and the special or
relative rights, including convertible rights, if any, in respect to the shares
of each class are as follows:

N/A

Article Four

The extent, if any, to which the preemptive right of a shareholder to acquire
additional shares is limited or denied.

PREEMPTIVE RIGHTS. No share shall bear any preemptive right of its
shareholder to acquire additional shares.

Article Five

The name and place of residence of each incorporator is as follows:

Name Street City

William F. Miller, III 1717 Main Street, Suite 5200, Dallas, TX 75201

Article Six
(Designate which and complete the applicable paragraph.)

[ ] The number of directors to constitute the first board of directors is
________. Thereafter the number of directors shall be fixed by, or in the manner
provided by the bylaws. Any changes in the number will be reported to the
Secretary of State within thirty calendar days of such change.

[x] The number of directors to constitute the board of directors is 1. (The
number of directors to constitute the board of directors must be stated herein
if there are to be less than three directors. The person to constitute the first
board of directors may, but need not, be named.)

Article Seven

The duration of the corporation is perpetual

Article Eight

The corporation is formed for the following purposes:

transact any lawful business for which corporations may be organized
pursuant to the provisions of the Missouri General and Business Corporation Law.

Article Nine

Mandatory Redemption of Shares of Deceased. In the event that a shareholder of
the corporation dies or becomes no longer qualified to own shares in the
corporation, the corporation shall redeem all of the shares of Common Stock
owned by said shareholder for a purchase price of $1.00 per share.

Article Ten

No Cumulative Voting Rights. The holders of shares of each and every class and
series in the corporation shall not be entitled to cumulative voting rights in
the election of directors of the corporation, in any and all circumstances.

IN WITNESS WHEREOF, these Articles of Incorporation have been signed this
29th day of May, 1998

/s/ William F. Miller, III
--------------------------
William F. Miller, III

State of Texas )
) ss.
County of Dallas )

I, Anne B. Turner, a Notary Public, do hereby certify that on this 29th
day of May, 1998, personally appeared before me William F. Miller, III, who
being by me first duly sworn, (severally) declared that he is the person(s) who
signed the foregoing document as incorporator(s), and that the statements
therein contained are true.

/s/ Anne B. Turner
------------------
Notary Public

My commission expires April 15, 2002

STATE OF MISSOURI
Matt Blunt, Secretary of State

Corporations Division James C. Kirkpatrick State Information Center
P.O. Box 778, Jefferson City, MO 65102 600 W. Main Street, Rm. 322, Jefferson City, MO 65101

STATEMENT OF CHANGE OF REGISTERED AGENT AND/OR
REGISTERED OFFICE
BY A FOREIGN OR DOMESTIC FOR PROFIT OR NONPROFIT CORPORATION

Instructions

1. This form is to be used by either a for profit or nonprofit corporation to
change either or both the name of its registered agent and/or the address of its
existing registered agent.

2. There is a $10.00 fee for filing this statement. It must be filed in
DUPLICATE.

3. P.O. Box may only be used in conjunction with a physical street address. 4.
Agent and address must be in the State of Missouri.

5. The corporation may not act as its own agent.

Charter No. 00456608

(1) The name of the corporation is: EMCARE OF MISSOURI, INC.

(2) The address, including street and number, of its present registered office
(before change) is: 300-B East High Street, Jefferson City, MO 65101

(3) The address, including street and number, of its registered office is hereby
changed to: 221 Bolivar Street, Jefferson City, MO 65101

Address (P.O. Box may only be used in conjunction with a physical
street address) City/State/Zip

(4) The name of its present registered agent (before change) is: National
Registered Agents Inc.

(5) The name of the new registered agent is: CSC - LAWYERS INCORPORATING SERVICE
COMPANY
Authorized signature of new registered agent must appear below:

/s/ Deborah D. Skipper
----------------------
Deborah De. Skipper
Asst. V. Pres.
(May attach separate originally executed written consent to this form
in lieu of this signature)

(6) The address of its registered office and the address of the office of its
registered agent, as changed, will be identical.

(7) The change was authorized by resolution duly adopted by the board of
directors.

IN AFFIRMATION OF THE FACTS STATED ABOVE,

/s/ Laura R. Dunlap LAURA R. DUNLAP
- --------------------------------------------------------------------------------
(Authorized signature of officer or, if applicable, (Printed Name)
chairman of the board)
Attorney in Fact on behalf of

ROBYN E. BAKALAR, ASSISTANT SECRETARY 8/14/02
- --------------------------------------------------------------------
(Title) Month/day/year

STATE OF TEXAS)
COUNTY OF DALLAS)

POWER OF ATTORNEY

NOTICE IS HEREBY GIVEN THAT Robyn E. Bakalar of Emcare, Inc.("the
Company"), a corporation established under the laws of Delaware, and of the
subsidiary entities shown on the list appended hereto, does hereby appoint Laura
R. Dunlap and Patricia Pizzuto attorneys-in-fact for the Company and for the
subsidiary entities, to act for the Company and for the subsidiary entities and
in the name of the Company and of the subsidiary entities for the limited
purposes authorized herein.

The Company and the subsidiary entities having taken all necessary steps
to authorize the changes and the establishment of this Power of Attorney, hereby
grants its attorneys-in-fact the power to execute the documents necessary to
change the Company's and the subsidiary entities' registered agent and
registered office, or the agent and office of similar import, in any
jurisdiction.

In the execution of any documents necessary for the purposes set forth
herein, Laura R. Dunlap shall exercise the power of Vice President and Patricia
Pizzuto shall exercise the power of Secretary, or, in the case of entities
having managers or other positions of authority rather than officers such as
Vice President or Secretary, the named individuals shall act in such office and
with such authority as is required to effect the changes herein contemplated.

This Power of Attorney expires upon the completion and filing of the
documents necessary to effect the changes in registered agent and registered
office addresses contemplated herein, or when revoked by Robyn Bakalar, which
ever shall occur first.

IN WITNESS WHEREOF the undersigned has executed this Power of Attorney on
this 8 day of August, 2002.

EmCare, Inc.
Company

BY: /s/ Robyn E. Bakalar
--------------------
Robyn E. Bakalar
Assistant Secretary

Subscribed and sworn to before me this 8 day of August, 2002.

/s/ Bebbian W. Seiler
---------------------
Notary Public