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Related Concept Videos

Formulating and Validating Nursing Diagnosis II01:25

Formulating and Validating Nursing Diagnosis II

Nursing diagnoses represent a problem validated by major defining characteristics. There are four categories of nursing diagnoses: problem-focused, risk, health promotion or wellness, and syndrome. The anatomy of a nursing diagnosis includes three components: problem statement or diagnostic label, defining characteristics, and related factors.
Risk nursing diagnoses represent clinical judgments of an individual, family, or community more vulnerable to developing the health problem than others...
Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Classification of Illness01:17

Classification of Illness

The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
Hallucinations
Hallucinations in...
Formulating and Validating Nursing Diagnosis I01:26

Formulating and Validating Nursing Diagnosis I

A nursing diagnosis is written when the nurse recognizes a cluster of essential patient data indicating health problems treated with independent nursing interventions. The standardized terminologies of a nursing diagnosis help nurses identify and treat patients' problems. Every electronic health record that uses nursing diagnosis must employ standard diagnostic terminology. Developing an efficient, individualized care plan begins with accurate nursing diagnoses.
There are thirteen domains for...

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Related Experiment Video

Updated: Jul 14, 2026

Closed-Loop Neurostimulation for Biomarker-Driven, Personalized Treatment of Major Depressive Disorder
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The concept of symptom cluster.

Andrea M Barsevick1

  • 1Nursing Research, Fax Chase Cancer Center, Philadelphia, PA, USA. Andrea.Barsevick@fccc.edu

Seminars in Oncology Nursing
|May 22, 2007
PubMed
Summary

Research on symptom clusters, like fatigue and pain, shows potential links between symptoms. More studies are needed to understand their outcomes and biological basis.

Area of Science:

  • Nursing
  • Symptom Science
  • Psychosocial Oncology

Background:

  • Symptom clusters, defined as co-occurring symptoms, are increasingly recognized in healthcare.
  • Understanding these clusters is crucial for effective patient management.

Purpose of the Study:

  • To define the concept of symptom clusters.
  • To evaluate the existing evidence base for symptom clusters.
  • To discuss research and clinical implications of symptom clusters.

Main Methods:

  • A review of descriptive research was conducted.
  • Studies examined fatigue, insomnia, pain, or depression in relation to other symptoms.

Main Results:

  • Evidence suggests overlapping variance, indicating relationships between symptoms.

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  • Limited evidence exists for symptom concurrence or common biological pathways.
  • Few studies have investigated the outcomes associated with symptom clusters.

    • Conclusions:

    • Further investigation into symptom clusters is warranted.
    • Fatigue, insomnia, pain, and depression may act as sentinel symptoms.
    • Assessment and management of these potential sentinel symptoms are important for patient outcomes.