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Related Concept Videos

Sedatives and Hypnotics: Overview01:23

Sedatives and Hypnotics: Overview

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Sedatives are drugs that alleviate anxiety, while hypnotics induce sleep. Both classes of medication suppress neuronal activity, leading to a calming effect for sedatives and facilitating sleep for hypnotics.
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...
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Sedatives and Hypnotics Drugs: Barbiturates01:20

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Sedatives and hypnotics encompass a drug class that acts on the central nervous system (CNS) to alleviate anxiety, promote relaxation and induce sleep.These drugs function by amplifying the actions of the neurotransmitter γ-aminobutyric acid (GABA), resulting in reduced neuronal activity. Barbiturates, a subset of sedatives and hypnotics first synthesized in the late 1800s, are categorized into ultra-short, short, intermediate, and long-acting groups based on their duration of effect. A...
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Benzodiazepines have both sedative and hypnotic properties. They include compounds such as diazepam (Valium) and alprazolam (Xanax). Structurally, their cores are similar, consisting of the fusion of a benzene ring and a diazepine ring, but they share a common mechanism of action in the central nervous system (CNS).
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Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

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Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
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Lagging Strand Synthesis01:59

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During replication, the complementary strands in double-stranded DNA are synthesized at different rates. Replication first begins on the leading strand. Replication starts later, occurs more slowly, and proceeds discontinuously on the lagging strand.
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Sedation: A Primer for Pediatricians.

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    This summary is machine-generated.

    Pediatric procedural sedation and analgesia (PSA) use has increased, requiring practitioners to understand safe practices. This review covers PSA classifications, guidelines, medications, and special considerations for common clinical settings.

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    Area of Science:

    • Pediatric Emergency Medicine
    • Anesthesiology
    • Clinical Pediatrics

    Background:

    • Pediatric procedural sedation and analgesia (PSA) has seen increased utilization over the last two decades.
    • Medical and technological advancements have significantly influenced PSA practices.
    • While PSA aids in managing stressful procedures, it carries risks of serious complications.

    Purpose of the Study:

    • To review current knowledge on pediatric procedural sedation and analgesia.
    • To provide an overview of sedation-related classifications, guidelines, and medications.
    • To discuss specific considerations for administering PSA in various clinical environments.

    Main Methods:

    • Literature review focusing on pediatric procedural sedation and analgesia.
    • Synthesis of information on sedation classifications and guidelines.
    • Analysis of common medications used in pediatric sedation.

    Main Results:

    • Increased use of pediatric procedural sedation and analgesia.
    • Identification of potential life-threatening complications associated with sedation.
    • Emphasis on the need for practitioner familiarity with safe sedation principles.

    Conclusions:

    • Pediatric practitioners require comprehensive knowledge of safe sedation practices outside the operating room.
    • Understanding sedation classifications, guidelines, and medications is crucial.
    • Special considerations are necessary for effective and safe procedural sedation in pediatric patients.