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Cardiopulmonary resuscitation, or CPR, is a life-saving emergency procedure performed when a person's heart has stopped beating or they are no longer breathing. The foundation of CPR is Basic Life Support (BLS), which focuses on the early recognition of cardiac arrest, the immediate start of high-quality chest compressions, and the timely use of an automated external defibrillator (AED).Assessing Responsiveness and Checking the Carotid PulseWhen approaching an unresponsive person, first ensure...
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Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
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Introduction to AEDAn Automated External Defibrillator (AED) is a portable medical device that analyzes the heart's rhythm and, if necessary, delivers an electrical shock to help the heart re-establish an effective rhythm during sudden cardiac arrest (SCA). SCA occurs when the heart suddenly and unexpectedly stops beating, leading to a loss of blood flow to the brain and other vital organs. In such emergencies, time is of the essence, and using an AED, combined with Cardiopulmonary...
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Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
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Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
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Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned...
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Oxygen therapy in acute resuscitation.

Daniel R Frei1, Paul J Young2,3

  • 1Department of Anaesthesia and Pain Medicine.

Current Opinion in Critical Care
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Liberal oxygen therapy in acute care may cause harm. Current evidence suggests titrating supplemental oxygen to maintain arterial oxygen saturation (SpO2) between 92-96% is a reasonable approach for acutely ill adults.

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Area of Science:

  • Critical Care Medicine
  • Respiratory Physiology
  • Emergency Medicine

Background:

  • Oxygen therapy is crucial in acute resuscitation, but optimal strategies remain unclear.
  • Hyperoxemia (excessive oxygen) is increasingly linked to adverse outcomes in acutely ill patients.
  • Evidence-based guidelines for oxygen use in the resuscitation phase are needed.

Purpose of the Study:

  • To review recent evidence on supplemental oxygen provision in adult acute care.
  • To focus on oxygen therapy during the resuscitation phase of acute illness.
  • To inform optimal oxygen administration practices.

Main Methods:

  • Literature review of recent evidence.
  • Appraisal of studies on oxygen therapy in acute illness.
  • Focus on adult patients in the resuscitation phase.

Main Results:

  • Recent findings suggest hyperoxemia is associated with adverse outcomes.
  • Liberal oxygen administration may potentially cause harm.
  • Several randomized trials are underway to clarify optimal oxygen regimens.

Conclusions:

  • Current evidence does not support routine liberal oxygen administration.
  • Titrating oxygen to achieve SpO2 of 92-96% is a reasonable approach.
  • Avoiding both hypoxemia and hyperoxemia is key in acute care settings.