Fatigue

Definition

Fatigue is a state of extreme tiredness and reduced functional capacity that can be physical, mental, or a combination of both. It is often a symptom of underlying health issues and can significantly impact daily activities.

5 Must Know Facts For Your Next Test

1. Chronic neurological illnesses like multiple sclerosis and Parkinson's disease are frequently associated with fatigue.
2. Nutritional deficiencies, such as low iron or vitamin B12 levels, can contribute to fatigue in patients with hematologic conditions.
3. Poor pulmonary function, common in chronic obstructive pulmonary disease (COPD) and asthma, often leads to fatigue due to decreased oxygenation.
4. Assessing dietary intake is crucial for identifying potential nutritional causes of fatigue in clinical settings.
5. Implementing a balanced diet rich in vitamins, minerals, and antioxidants can help mitigate fatigue in patients with chronic illnesses.

Review Questions

• How does poor pulmonary function contribute to fatigue?
• What nutritional deficiencies are commonly linked to fatigue in hematologic conditions?
• Why is it important to assess dietary intake when addressing fatigue?

Related terms

Anemia:

A condition characterized by a deficiency of red blood cells or hemoglobin, leading to fatigue among other symptoms.

Malnutrition:

A condition resulting from an imbalanced nutrient intake which can cause weakness and fatigue.

Chronic Fatigue Syndrome: A complex disorder characterized by extreme fatigue that cannot be explained by any underlying medical condition.