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Related Concept Videos

Flail Chest-II01:26

Flail Chest-II

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Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
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Flail Chest-I01:24

Flail Chest-I

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Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
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Membrane Asymmetry Regulating Transporters01:19

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Enzymes like flippase, floppase, and scramblase transfer phospholipids from one layer to another in the membrane, thereby affecting membrane asymmetry.
Flippase
Eukaryotic flippases are type-IV P-type ATPases or P4-ATPases belonging to P-type ATPase family proteins that are membrane-bound pumps involved in the ATP-mediated transport of ions and molecules across the membrane. Flippases flip specific phospholipids from the outer to the inner leaflet of a membrane. All P4-ATPases have one...
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Muscles of the Forearm that Move the Hand and Fingers01:17

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The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi...
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Dry Friction01:30

Dry Friction

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Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
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Kinetic Friction01:26

Kinetic Friction

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Consider a truck trying to pull a stationary car. As the truck exerts a force on the car, static friction is created at the point of contact between the two surfaces. This frictional force resists the car's movement and keeps it at rest. However, when the applied force by the truck surpasses the limiting static frictional force, an interesting phenomenon occurs. The frictional force at the interface reduces to a lower value, known as the kinetic frictional force. At this point, the car...
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Related Experiment Video

Updated: Jan 13, 2026

The Superficial Inferior Epigastric Artery Axial Flap to Study Ischemic Preconditioning Effects in a Rat Model
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Cross finger flaps.

W H Kisner

    American Family Physician
    |January 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    The cross finger flap offers excellent fingertip reconstruction, preserving finger length and function with minimal joint stiffness and work-time loss. This effective surgical technique is currently underutilized for specific fingertip amputations.

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    Area of Science:

    • Plastic Surgery
    • Hand Surgery
    • Reconstructive Surgery

    Background:

    • Fingertip reconstruction demands adequate skin coverage, functional preservation, and aesthetic restoration.
    • Current methods may lead to joint stiffness, morbidity, and significant work-time loss.

    Purpose of the Study:

    • To highlight the benefits of the cross finger flap for fingertip reconstruction.
    • To advocate for increased utilization of this technique in specific amputation cases.

    Main Methods:

    • The study focuses on the application and outcomes of the cross finger flap technique.
    • Evaluation of joint stiffness, morbidity, and functional recovery post-reconstruction.

    Main Results:

    • The cross finger flap technique results in negligible joint stiffness.
    • Minimal patient morbidity and limited work-time loss are associated with this method.
    • Crucially, it conserves finger length, which is vital in certain amputations.

    Conclusions:

    • The cross finger flap is an underutilized yet highly effective method for fingertip reconstruction.
    • It is particularly indicated for fingertip amputations where preserving bone length is critical.
    • This technique offers a superior balance of functional and aesthetic outcomes with low morbidity.