Question: What Is The Clinical Stage Of A Disease?

What is the incubation period for a disease?

The incubation period is the time from exposure to the causative agent until the first symptoms develop and is characteristic for each disease agent..

What is disease in pathology?

A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not due to any immediate external injury. Diseases are often known to be medical conditions that are associated with specific symptoms and signs.

What is pathophysiology mean?

physiopathologyPathophysiology ( a.k.a. physiopathology) – a convergence of pathology with physiology – is the study of the disordered physiological processes that cause, result from, or are otherwise associated with a disease or injury.

What are the 4 stages of disease?

10.3B: Disease DevelopmentStages of Disease.STAGE 1: INCUBATION PERIOD.STAGE 2: PRODROMAL PERIOD.STAGE 3: ACUTE PERIOD.STAGE 4: CONVALESCENCE PERIOD.

What stage of infection is most communicable?

In some cases, a person is contagious during the incubation period, while in others the person is not contagious until the illness begins. The amount of time a child remains contagious depends on the infection and the child. Young children are often contagious for longer than older children.

What can I expect from an infectious disease doctor?

The role of an infectious disease specialist is to review a patient’s medical data, including records, X-rays and laboratory reports. They may perform a physical examination, depending on the type of problem. Laboratory studies are often necessary and may include blood studies and cultures of wounds or body fluids.

What is the iceberg phenomenon?

The iceberg phenomenon describe a situation in which a large percentage of a problem is subclinical, unreported, or otherwise hidden from view. Thus, only the “tip of the iceberg” is apparent to the epidemiologist. (Examples of the iceberg phenomenon are given in the text.)

What is the most difficult disease to diagnose?

Conditions That Are Hard to Diagnose7 / 14. Lyme Disease. … 8 / 14. Fibromyalgia. … 9 / 14. Lupus. … 10 / 14. Parkinson’s Disease. … 11 / 14. Multiple Sclerosis (MS) … 12 / 14. Chronic Fatigue Syndrome. … 13 / 14. Polycystic Ovary Syndrome (PCOS) … 14 / 14. Endometriosis. This happens when the tissue that lines a woman’s uterus grows outside of it.More items…

What does disease process mean?

Natural history of disease refers to the progression of a disease process in an individual over time, in the absence of treatment. For example, untreated infection with HIV causes a spectrum of clinical problems beginning at the time of seroconversion (primary HIV) and terminating with AIDS and usually death.

What is the most common sign of an infectious disease?

General signs and symptoms common to a number of infectious diseases include:Fever.Diarrhea.Fatigue.Muscle aches.Coughing.

What are the 5 stages of disease?

The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2). The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient).

What is the spectrum of disease?

The spectrum of disease refers to the range of manifestations and severities of illness associated with a given diseases, illnesses, or injury. For example, HIV infection has broad clinical spectrum, from inapparent* to severe and fulminating**.

What is the contagious period of a disease?

The contagious period is the amount of time during which a sick child can give the disease to others. For major illnesses (such as hepatitis), a child will need to stay at home or in the hospital until all chance of spread has passed. For minor illnesses (like the common cold) the guidelines are less strict.

What are the 4 types of infectious diseases?

A variety of microorganisms can cause disease. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.