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Related Concept Videos

Acute Respiratory Failure-I01:21

Acute Respiratory Failure-I

1.1K
Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
1.1K
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

1.2K
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
1.2K
Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

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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...
515
Acute Respiratory Failure-III01:30

Acute Respiratory Failure-III

940
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
940
Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

578
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...
578
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

3.9K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Related Experiment Video

Updated: Feb 11, 2026

Induction and Phenotyping of Acute Right Heart Failure in a Large Animal Model of Chronic Thromboembolic Pulmonary Hypertension
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Induction and Phenotyping of Acute Right Heart Failure in a Large Animal Model of Chronic Thromboembolic Pulmonary Hypertension

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[Acute-on-chronic liver failure].

Klara-Luisa Budau, Robert Thimme, Lukas Sturm

    Deutsche Medizinische Wochenschrift (1946)
    |February 9, 2026
    PubMed
    Summary
    This summary is machine-generated.

    Acute-on-chronic liver failure (ACLF) is a severe cirrhosis complication with high mortality. Early interventions, organ support, and liver transplantation are key for improving survival in ACLF patients.

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    Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
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    Heterotopic Auxiliary Rat Liver Transplantation With Flow-regulated Portal Vein Arterialization in Acute Hepatic Failure
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    Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
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    Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen

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    Area of Science:

    • Hepatology
    • Critical Care Medicine
    • Internal Medicine

    Background:

    • Acute-on-chronic liver failure (ACLF) is a life-threatening syndrome in decompensated cirrhosis patients.
    • ACLF involves acute failure of one or more organ systems, leading to high short-term mortality despite clinical advances.

    Purpose of the Study:

    • To provide an updated, guideline-based overview of ACLF classification, diagnosis, and treatment.
    • To synthesize the latest literature and consensus definitions for managing ACLF.

    Main Methods:

    • Review of current literature and consensus definitions for ACLF.
    • Application of the EASL-CLIF Consortium criteria for grading ACLF.
    • Utilizing prognostic scores (CLIF-C OF, CLIF-C ACLF, CLIF-C AD) for risk stratification.

    Main Results:

    • ACLF is defined by acute decompensation of cirrhosis with liver and/or other organ failures (kidneys, cardiovascular, lungs, CNS, coagulation).
    • EASL-CLIF Consortium criteria classify ACLF into three grades, with higher grades correlating with increased mortality.
    • Systemic inflammation, often triggered by infections or gastrointestinal bleeding, is a key pathophysiological feature.

    Conclusions:

    • ACLF remains a severe complication of cirrhosis with high short-term mortality.
    • Early, guideline-based interventions, multidisciplinary management, and accurate risk stratification improve outcomes.
    • Liver transplantation is the only curative option for irreversible ACLF; timely evaluation is crucial.