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Related Concept Videos

Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

Assessment of Airway, Skin Color, and Use of Accessory Muscles

A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration can...
Physical Assessment of the Respiratory Tract II: Palpation01:24

Physical Assessment of the Respiratory Tract II: Palpation

Physical assessment of the respiratory tract is critical in identifying potential health issues. One key component of this assessment is palpation, a technique healthcare providers use to assess the body for abnormalities. This content explores the method of palpation in evaluating the respiratory tract, focusing on thoracic palpation and tactile fremitus.
Thoracic Palpation
Thoracic palpation detects tenderness, masses, lesions, respiratory excursions, and vocal fremitus. The nurse assesses...
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Assessment of the Cardiovascular System II: Inspection01:29

Assessment of the Cardiovascular System II: Inspection

Inspection is the initial step in assessing the cardiovascular system. It involves a detailed visual examination that provides crucial information about a patient's circulatory and cardiac health. This systematic process, conducted from head to toe, helps identify signs of cardiovascular conditions by observing physical appearance, skin and mucous membranes, jugular and carotid pulsations, chest symmetry, and the condition of the extremities.
Head and Neck

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Related Experiment Video

Updated: May 10, 2026

Skin Punch Biopsy Explant Culture for Derivation of Primary Human Fibroblasts
06:19

Skin Punch Biopsy Explant Culture for Derivation of Primary Human Fibroblasts

Published on: July 7, 2013

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Performing Suction Blister Skin Biopsies.

Elizabeth A MacDonald1, Erica L Katz1, Todd F Pearson1

  • 1Department of Dermatology, University of Massachusetts Chan Medical School, Worcester, Massachusetts.

Current Protocols
|June 26, 2024
PubMed
Summary
This summary is machine-generated.

A novel suction blister skin biopsy technique offers a minimally invasive, non-scarring alternative to traditional methods. This approach efficiently collects epidermal and dermal cells and fluids for various analyses without painful procedures.

Keywords:
biopsynon‐scarringskinsuction blister

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Area of Science:

  • Dermatology
  • Biotechnology
  • Medical Devices

Background:

  • Traditional skin biopsies (punch, shave) are invasive, painful, require anesthesia, and cause scarring.
  • There is a need for less invasive skin sampling methods for dermatological research and diagnostics.

Purpose of the Study:

  • To describe a novel suction blister skin biopsy method.
  • To present a minimally invasive, non-scarring alternative to traditional skin biopsy techniques.

Main Methods:

  • Utilizes a specialized instrument applying negative pressure and gentle heat to induce suction blisters.
  • Blister formation occurs within 1 hour, yielding up to five 10mm blisters per site.
  • Describes protocols for subject preparation, procedure, fluid extraction, and post-care.

Main Results:

  • Suction blisters provide a viable method for collecting epidermal and upper dermal cells.
  • Blister fluid is suitable for analyzing soluble proteins and metabolites.
  • Collected cells can be used for flow cytometry, single-cell RNA sequencing, and cell culture without digestion.

Conclusions:

  • Suction blister biopsy is a promising, minimally invasive technique for skin sampling.
  • This method avoids pain, anesthesia, and scarring associated with traditional biopsies.
  • It offers a versatile platform for various downstream cellular and molecular analyses.