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Related Concept Videos

Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

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Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

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Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Assessment of the Abdomen II: Percussion01:18

Assessment of the Abdomen II: Percussion

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Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
Percussion
Percussion is an essential...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Assessment of the Abdomen III: Palpation01:23

Assessment of the Abdomen III: Palpation

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Palpation is a crucial tactile examination method for assessing abdominal organs and detecting conditions like tenderness, distention, masses, or fluid. It involves both light and deep palpation techniques, each serving specific diagnostic purposes. Light palpation helps identify tenderness and other surface-level indicators, while deep palpation locates and assess abdominal masses and organ boundaries. A skilled professional can gather valuable insights through palpation, including evaluating...
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Author Spotlight: Enhancing Success of Ultrasound-Guided Neuraxial Anesthesia in Cases with Difficult Anatomy
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Author Spotlight: Enhancing Success of Ultrasound-Guided Neuraxial Anesthesia in Cases with Difficult Anatomy

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Ultrasound-guided peripheral abdominal wall blocks.

Hermann Dos Santos Fernandes1, Artur Salgado de Azevedo1, Thiago Camargo Ferreira1

  • 1Divisao de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR.

Clinics (Sao Paulo, Brazil)
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PubMed
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Ultrasound enhances regional anesthesia for abdominal surgeries. Alternative blocks like transversus abdominis plane and quadratus lumborum provide effective postoperative pain relief when neuraxial techniques are not feasible.

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Area of Science:

  • Anesthesiology and Pain Management
  • Regional Anesthesia Techniques
  • Ultrasound-Guided Procedures

Background:

  • Regional anesthesia practice is evolving with ultrasound technology.
  • Alternative postoperative analgesia methods are needed for abdominal surgeries.
  • Neuraxial techniques (spinal, epidural anesthesia) are not always possible.

Purpose of the Study:

  • To review alternative regional anesthesia techniques for abdominal surgery.
  • To discuss ultrasound's role in advancing regional anesthesia.
  • To detail specific abdominal plane blocks and their efficacy.

Main Methods:

  • Comprehensive literature review of regional anesthesia techniques.
  • Focus on ultrasound-guided abdominal plane blocks.
  • Analysis of anatomical principles, indications, and techniques.

Main Results:

  • Ultrasound has significantly advanced regional anesthesia practices.
  • Several alternative blocks (TAP, Oblique TAP, RAMP, Ilioinguinal/Iliohypogastric, QLB) show good analgesic efficacy.
  • These blocks are valuable when neuraxial anesthesia is contraindicated or not possible.

Conclusions:

  • Ultrasound-guided regional anesthesia offers effective pain management for abdominal surgeries.
  • Alternative abdominal plane blocks provide viable options for postoperative analgesia.
  • Understanding anatomical principles and techniques is crucial for safe and effective blockade.