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Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

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Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
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Acids are classified by the number of protons per molecule that they can give up in a reaction. Acids such as HCl, HNO3, and HCN that contain one ionizable hydrogen atom in each molecule are called monoprotic acids. Their reactions with water are:
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Acute Coronary Syndrome IV: Interprofessional Care01:28

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IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
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Acute Respiratory Failure-V01:29

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The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
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Pneumonia IV: Management01:28

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The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
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Acute Pharyngitis01:30

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Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
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Related Experiment Video

Updated: Nov 15, 2025

A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells
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Ascorbic Acid in the Acute Care Setting.

Christian Kressin1, Komal Pandya1, Barbara Magnuson Woodward1

  • 1Acute Care Pharmacy Services, University of Kentucky HealthCare, Lexington, Kentucky, USA.

JPEN. Journal of Parenteral and Enteral Nutrition
|March 6, 2021
PubMed
Summary

Intravenous ascorbic acid (vitamin C) shows promise in acute care for conditions like sepsis and wound healing. Higher doses may be needed due to absorption issues, with few reported side effects.

Keywords:
adultburnscritical carepulmonary diseasesepsisvitaminswound healing

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Area of Science:

  • Biochemistry
  • Clinical Medicine
  • Nutritional Science

Background:

  • Ascorbic acid (AA) is a vital nutrient with established roles beyond scurvy prevention.
  • Its use is expanding in acute care settings as an economical therapeutic agent.
  • Oral AA absorption limitations and reduced serum levels in illness necessitate intravenous (IV) administration and higher doses.

Purpose of the Study:

  • To review the current evidence for ascorbic acid (AA) use in acute care.
  • To summarize the efficacy and safety of AA for various clinical indications.
  • To highlight areas of ongoing research for AA in critically ill patients.

Main Methods:

  • A comprehensive PubMed search was conducted for studies on AA in the acute care setting.
  • Relevant published studies were reviewed and synthesized.
  • A narrative review approach was employed to summarize findings.

Main Results:

  • AA demonstrates potential benefits in wound healing, organ function in sepsis and ARDS, and vasoplegic shock resolution post-cardiac surgery.
  • It may reduce fluid resuscitation needs in severe burns and serve as an adjunctive analgesic.
  • Identified studies indicated AA is generally well-tolerated with limited adverse effects.

Conclusions:

  • Ascorbic acid (AA) offers potential therapeutic advantages across diverse acute care conditions.
  • Evidence levels vary by indication, but safety appears favorable.
  • Further clinical investigation into AA's role in acute care is warranted.