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Related Concept Videos

Administering Oxygen by Mask01:30

Administering Oxygen by Mask

1.6K
Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
1.6K
Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

1.2K
The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
1.2K
Tracheostomy Care II: Procedure01:25

Tracheostomy Care II: Procedure

1.0K
Tracheostomy care is an essential nursing skill that involves cleaning and maintaining a tracheostomy tube to prevent infection and other complications. Here's a step-by-step guide explaining each procedure with its rationale. Note that disposable gloves are to be worn at all times and changed as often as needed to maintain a sterile work environment, and to protect both patient and healthcare worker.
Step 1: Perform hand hygiene, and put on personal protective equipment: gown, gloves, mask...
1.0K
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

1.5K
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
1.5K
Masking and Demasking Agents01:19

Masking and Demasking Agents

3.3K
EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
3.3K
Therapeutic Communication01:30

Therapeutic Communication

6.8K
Communication is a lifelong learning process. Through therapeutic communication, nurses can collect relevant assessment data, provide education and counseling, and interact during nursing interventions. Sending and receiving messages occur through verbal and nonverbal communication techniques and can happen separately or simultaneously.
Verbal communication depends on language or a prescribed way of using words so that people can share information effectively. The critical aspects of verbal...
6.8K

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Related Experiment Video

Updated: Dec 20, 2025

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
06:57

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Published on: February 12, 2021

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"Therapeutic" facemasks.

Deepak Gupta1

  • 1Detroit Medical Center/Wayne State University, Box No 162, 3990 John R, Detroit, MI 48201, United States.

Medical Hypotheses
|May 28, 2020
PubMed
Summary
This summary is machine-generated.

The SARS-CoV-2 virus prefers cooler upper airways. Facemasks may create a therapeutic microenvironment by warming and humidifying exhaled air, potentially mitigating the virus.

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Area of Science:

  • Investigating the virology and pathophysiology of respiratory viruses, specifically SARS-CoV-2.
  • Exploring the impact of environmental factors, such as temperature and humidity, on viral survival and infectivity.

Background:

  • Coronaviruses, including SARS-CoV-2, exhibit a tropism for the cooler temperatures of the nasal cavity, oral cavity, and upper airways compared to the core body temperature.
  • The physiological conditions within these upper respiratory tracts may favor viral replication or survival.

Discussion:

  • The use of facemasks may inadvertently create a localized "therapeutic" microenvironment.
  • Rebreathing warm (~95°F) and humid (~80%) exhaled air under a mask could potentially mitigate SARS-CoV-2 viability in the nasal, oral, and pharyngeal cavities.
  • This warrants further investigation into the potential therapeutic benefits of facemasks beyond source control.

Key Insights:

  • A pathophysiological link exists between cooler upper airway temperatures and SARS-CoV-2's predilection for these sites.
  • Facemasks may offer a previously unexplored therapeutic role by altering the local thermal and humidity conditions.
  • The constant mitigation of SARS-CoV-2 by warm, humid rebreathing warrants focused research.

Outlook:

  • Further studies are needed to quantify the temperature and humidity changes induced by facemasks.
  • Clinical trials could assess the direct impact of these microenvironmental changes on SARS-CoV-2 viral load and disease progression.
  • This research could inform public health strategies and mask-wearing recommendations.