M

Mallory-Weiss Syndrome - Esophageal laceration or rupture may be causes spontaneously by violent vomiting or retching in the presence of esophageal disease or may occur iatrogenically. May be associates with excessive alcohol use.

 

Cause known

RFC

 

Cause unknown, alcohol ruled out

 

 

 

One or two episodes

 

 

 

 

0-1 yr

PP

 

 

 

Over 1 yr

Us T2

 

 

More episodes or alcohol related

Decline

 

 

 

 

Meniere’s Disease – See Dizziness

 

 

 

Meningitis – Inflammation of the brain covering (meninges) and often of the spinal canal

 

Acute bacterial or viral

 

 

 

Complete recovery

 

 

 

No remaining impairment

 

 

 

 

0-6 mo

PP

 

 

 

Over 6 mo

0

 

 

With remaining impairments

Rate for impairment, IC

 

 

Others, depending on cause and current status

IC

 

 

 

Mental Retardation

 

Down’s Syndrome

Decline

 

Others

 

 

 

Mild, self-supporting adults

Us 0

 

 

Adults, not self-supporting, children over age 8

Decline

 

 

Marked impairment

Decline

 

 

 

 

Migraines – See Headaches

 

 

 

 

 

 

 

Mitral Insufficiency (Regurgitation)

 

Trivial, minimal

0

 

Mild, depending on age, younger rated higher

0-T6

 

Moderate, depending on age, younger rated higher

T2-T8

 

Severe

Decline

 

Surgical insertion of prosthetic mitral valve

IC to Decline

 

Surgical repair of native mitral valve

IC

 

History of rheumatic fever, rheumatic heart disease or bacterial endocarditis

 

 

 

0-2 yrs since last episode

Decline

 

 

More than 2 yrs since last episode

Rate per above

 

Others

IC-Us Decline

 

 

 

 

Mitral Stenosis

 

Rate same as Mitral insufficiency

0

 

 

 

 

 

Mitral Valve Prolapse (MVP)

 

Diagnostic echocardiogram not done (diagnosis based on physical examination findings only)

IC

 

Confirmed with echocardiogram

 

 

 

Mild

0-T2

 

 

Moderate

Rate for degree of mitral insufficiency

 

 

Severe

Decline

 

 

Others

IC

 

 

 

 

 

Multiple Sclerosis

 

Mild is very few attacks, less than 2 attacks in the first 2 years from diagnosis

 

Moderate is 2-4 attacks in the first 2 years, no remaining effect from attacks.

 

Severe is rapidly progressive, lasting effects leading to sooner disability.

 

Years since diagnosis

Mild

Moderate

Severe

 

 

0-1

Decline

Decline

Decline

 

 

1-3

T4

T8

Decline

 

 

3-10

T2

T6

Decline

 

 

10+

Us 0

T4

Decline

 

 

 

 

Murmurs of the Heart

 

Organic disease ruled out

0

 

Otherwise

IC

 

 

 

Muscular Dystrophy

 

Due to several types and the effect of each, medical records are needed

Varies from Us 0 to RNA

 

 

 

 

 

Myelitis – Inflammation of the spinal cord, most frequently at the mid to lower thoracic level, which evolves over a several week period, producing varying degrees of impairment of spinal cord function.

 

0-6 mo

Decline

 

In history

 

 

 

If due to acute infection, trauma, completely recovered

 

 

 

 

6 mo and up

Rate for any remaining impairment

 

 

Bowel and/or bladder impairment

IC, T4 to Decline

 

 

 

 

Myocardial Infarction – See Coronary Artery Disease