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Related Concept Videos

Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

Assessment of Airway, Skin Color, and Use of Accessory Muscles

A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a stethoscope.
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...

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Mechanism of the human diving response.

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Related Experiment Video

Updated: Jul 12, 2026

Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response
11:56

Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response

Published on: November 12, 2014

The diving response in clinical medicine.

B A Gooden

    Aviation, Space, and Environmental Medicine
    |March 1, 1982
    PubMed
    Summary

    The diving response, a clinical tool for treating supraventricular tachycardia and assessing autonomic dysfunction, is safe. Optimizing its application requires understanding influencing factors and potential arrhythmia interactions.

    Area of Science:

    • Physiology
    • Cardiology
    • Neurology

    Background:

    • The diving response is increasingly used clinically for treating paroxysmal supraventricular tachycardia.
    • It also serves as an investigatory tool for autonomic nervous system dysfunction.
    • Understanding factors influencing this response is crucial for its therapeutic application.

    Purpose of the Study:

    • To review current knowledge on factors affecting the human diving response.
    • To describe methods for optimizing the clinical effectiveness of the diving response.
    • To review literature on the diving response's relationship with arrhythmias.

    Main Methods:

    • Literature review of factors influencing the diving response.
    • Description of procedures for optimizing clinical effectiveness.

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    A Rapidly Incremented Tethered-Swimming Maximal Protocol for Cardiorespiratory Assessment of Swimmers

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    Related Experiment Videos

    Last Updated: Jul 12, 2026

    Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response
    11:56

    Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response

    Published on: November 12, 2014

    A Model to Simulate Clinically Relevant Hypoxia in Humans
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    A Model to Simulate Clinically Relevant Hypoxia in Humans

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  • Review of studies on the diving response and arrhythmias.
  • Main Results:

    • Evidence suggests the diving response procedure is safe for clinical use.
    • Optimizing the response involves understanding influencing factors and procedure adjustments.
    • The relationship between the diving response and both evoked and pre-existing arrhythmias has been reviewed.

    Conclusions:

    • The diving response is a safe therapeutic and investigatory tool.
    • Clinical application requires understanding influencing factors and potential arrhythmia risks.
    • Caution is advised, recommending use with resuscitation skills and support equipment.