What is the pathophysiology of poliomyelitis?

Pathophysiology of Poliomyelitis A primary (minor) viremia follows with spread of virus to the reticuloendothelial system. Infection may be contained at this point, or the virus may further multiply and cause several days of secondary viremia, culminating in the development of symptoms and antibodies.

Can polio cause pneumonia?

Without respiratory support, consequences of poliomyelitis with respiratory involvement include suffocation or pneumonia from aspiration of secretions. Overall, 5 to 10 percent of patients with paralytic polio die due to the paralysis of muscles used for breathing.

How does poliomyelitis affect the respiratory system?

Now does respiratory muscle weakness affect breathing? The diaphragm is the key muscle for inspiration (breathing in). When it is weakened by polio, the work of breathing becomes harder, especially when a person is lying down.

What are the four stages of poliomyelitis?

The course of the disease is divided into four stages:

Prodromal Stage or Pre-Paralytic Stage- few hours to a few days and 1 to 3 days is the usual duration.
Acute Stage-3 to 6 weeks from the onset of Poliomyelitis.
Convalescent Stage- Duration 3 months.
Stage of Recovery-This stage extends for almost 2 years.

What causes poliomyelitis?

Polio is caused by 1 of 3 types of the poliovirus. It often spreads due to contact with infected feces. This often happens from poor handwashing. It can also happen from eating or drinking contaminated food or water.

What are the complications of poliomyelitis?

Complications of Polio Symptoms

Inflammation of the heart muscle (Myocarditis)
High blood pressure (Hypertension)
Fluid in the lungs (Pulmonary edema)
Pneumonia.
Urinary tract infections (UTIs)

What is poliomyelitis causes symptoms and treatment?

Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus. The virus spreads from person to person and can infect a person’s spinal cord, causing paralysis (can’t move parts of the body).

What is a feature of poliomyelitis?

Initial signs and symptoms of paralytic polio, such as fever and headache, often mimic those of nonparalytic polio. Within a week, however, other signs and symptoms appear, including: Loss of reflexes. Severe muscle aches or weakness. Loose and floppy limbs (flaccid paralysis)

What are the 3 types of poliovirus?

There are three wild types of poliovirus (WPV) – type 1, type 2, and type 3.

What is the medical definition for poliomyelitis?