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Related Concept Videos

Anatomical Positions01:11

Anatomical Positions

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In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
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Drug Delivery: Parenteral Route01:29

Drug Delivery: Parenteral Route

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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
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Insulin Formulations: Types and Delivery01:27

Insulin Formulations: Types and Delivery

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Insulin preparations are categorized by their duration of action into short-acting and long-acting types. Two strategies are used to modify insulin's absorption and pharmacokinetic profile: slowing the absorption post-subcutaneous injection, or altering human insulin's amino acid sequence or protein structure. These changes retain the insulin's ability to bind to the insulin receptor, but alter its behavior in solution or after injection.
Short-acting insulins are divided into...
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Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

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Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
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Insulin: Dosing Regimen and Adverse Effects01:16

Insulin: Dosing Regimen and Adverse Effects

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Insulin-replacement therapy usually includes both long-acting insulin (basal) and short-acting insulin (to cater to postprandial needs). In a diverse group of type 1 diabetes patients, the average daily insulin dose is typically 0.5-0.7 units/kg body weight. However, obese patients and pubertal adolescents may need more due to insulin resistance.
The basal dose constitutes about 40%-50% of the total daily dose, with the rest as premeal insulin. The mealtime insulin dose should mirror...
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Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

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Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
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Ideal body position for epinephrine autoinjector administration.

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    Body position does not impact epinephrine autoinjector delivery depth. Prompt epinephrine administration is recommended for anaphylaxis, regardless of patient position.

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    Area of Science:

    • Emergency Medicine
    • Pharmacology
    • Anaphylaxis Management

    Background:

    • Epinephrine is the primary treatment for anaphylaxis.
    • Intramuscular (IM) delivery of epinephrine is more effective than subcutaneous (SC) delivery.
    • Optimal body positioning for epinephrine autoinjector (EAI) administration is not established.

    Purpose of the Study:

    • To determine if body position (standing, sitting, supine) affects subcutaneous tissue depth (SCTD).
    • To assess the potential impact of body position on EAI delivery into the IM space.

    Main Methods:

    • Adult volunteers (N=51) from a US military medical facility participated.
    • Ultrasound measured SCTD of the vastus lateralis in standing, sitting, and supine positions.
    • Data on age, sex, and BMI were collected; statistical analyses compared SCTD across positions, sexes, and BMI.

    Main Results:

    • No statistically significant difference in SCTD was found among standing, sitting, and supine positions.
    • Women exhibited significantly greater SCTD than men (2.72 cm vs. 1.10 cm; p < 0.001).
    • No significant association between BMI and SCTD was observed.

    Conclusions:

    • Adult body position does not significantly alter the skin-to-muscle distance in the thigh.
    • An ideal body position for EAI administration may not be necessary.
    • Prompt epinephrine administration is advised in anaphylaxis, irrespective of patient position.