Podcast
Questions and Answers
The left side of the heart is primarily volume-oriented, responding significantly to changes in blood volume.
The left side of the heart is primarily volume-oriented, responding significantly to changes in blood volume.
False (B)
Caring practices in critical nursing should be tailored solely to the patient's medical condition.
Caring practices in critical nursing should be tailored solely to the patient's medical condition.
False (B)
The SA node is responsible for initiating the heartbeat in the cardiac conduction system.
The SA node is responsible for initiating the heartbeat in the cardiac conduction system.
True (A)
Hypovolemia would have little to no effect on the right side of the heart's function.
Hypovolemia would have little to no effect on the right side of the heart's function.
The pericardial space typically contains 35-40 ml of fluid to support heart function.
The pericardial space typically contains 35-40 ml of fluid to support heart function.
Clinical inquiry and innovation are essential for achieving the best patient outcomes in critical care.
Clinical inquiry and innovation are essential for achieving the best patient outcomes in critical care.
Advocacy in nursing only involves speaking on behalf of the healthcare team.
Advocacy in nursing only involves speaking on behalf of the healthcare team.
Pericardial infections commonly arise from the inappropriate practice of salinizing ET tubes.
Pericardial infections commonly arise from the inappropriate practice of salinizing ET tubes.
Electrical depolarization occurs after mechanical contraction in the cardiac cycle.
Electrical depolarization occurs after mechanical contraction in the cardiac cycle.
Response to diversity in patient care means applying a uniform approach for all patients.
Response to diversity in patient care means applying a uniform approach for all patients.
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Study Notes
Critical Nursing Care
- Focuses on human responses to life-threatening issues with a holistic approach.
- Emphasizes the importance of communication and updates to patients and their families regarding illnesses.
- Involves both prevention strategies, including health education, and curative measures.
Competencies of Nurses Caring for the Critically Ill
- Requires strong clinical judgment and reasoning skills for effective decision-making.
- Nurses act as advocates and moral agents in addressing ethical dilemmas in patient care.
- Caring practices must be individualized to honor the unique needs of each patient and family.
- Collaboration is key, involving patients, families, and the healthcare team to ensure comprehensive care.
- Systems thinking promotes holistic care, incorporating psychological aspects into nursing practice.
- Requires sensitivity to diversity, adapting care approaches according to individual patient backgrounds.
- Nurses also facilitate learning opportunities for patients, families, team members, and the community.
- Emphasizes clinical inquiry and innovation to achieve optimal patient outcomes, with awareness of current practices (e.g., discontinuation of saline flushing for ET tubes to prevent complications).
Cardiovascular System
- The right side of the heart is sensitive to blood volume changes; conditions like hypo or hypervolemia can significantly impact it.
- Typical volume in the pericardial space is between 15-20 ml.
- The left side of the heart functions under pressure-oriented conditions; hypertension can elevate arterial pressure levels.
Cardiac Conduction System
- The conduction pathway includes the SA node, AV node, AV bundle (Bundle of His), left and right bundle branches, and Purkinje fibers.
- Depolarization (electrical activity) triggers contraction (mechanical response); thus, electrical stimulation precedes mechanical action.
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