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Related Concept Videos

Common Ion Effect03:24

Common Ion Effect

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Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Châtelier’s principle. Consider the dissolution of silver iodide:
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Peripheral Artery Disease V: Postoperative Nursing Management01:23

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Common Respiratory Disorders01:31

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Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
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Physiological barriers are semi-permeable cellular structures restricting drug diffusion into intracellular compartments and tissues. There are six types of physiological barriers: blood endothelial, cell membrane, blood-brain, blood-cerebrospinal fluid (CSF), blood-placenta, and blood-testis barriers.
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The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the...
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Related Experiment Video

Updated: Jan 31, 2026

Phase Contrast Magnetic Resonance Imaging in the Rat Common Carotid Artery
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Common Arterial Trunk: Physiology, Imaging, and Management.

Sathish Chikkabyrappa1, Guruprasad Mahadevaiah2, Sujatha Buddhe1

  • 11 Seattle Children's Hospital, University of Washington, Seattle, WA, USA.

Seminars in Cardiothoracic and Vascular Anesthesia
|January 1, 2019
PubMed
Summary
This summary is machine-generated.

Common arterial trunk (CAT), a rare cyanotic heart disease, often linked to DiGeorge syndrome, requires early diagnosis and surgical repair. Prenatal diagnosis and echocardiography aid management, with surgical outcomes generally excellent but often necessitating future reoperations.

Keywords:
DiGeorge syndromecommon arterial trunkcongenital heart diseaseright ventricular to pulmonary artery conduittruncus arteriosus

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Middle Cerebral Artery Occlusion Allowing Reperfusion via Common Carotid Artery Repair in Mice
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Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease
  • Medical Genetics

Background:

  • Common arterial trunk (CAT), also known as truncus arteriosus, is a rare cyanotic congenital heart disease.
  • CAT is strongly associated with DiGeorge syndrome (22q11.2 microdeletion).
  • Clinical presentation varies, often with mild cyanosis and tachypnea, potentially leading to delayed diagnosis in newborns.

Purpose of the Study:

  • To review the diagnosis, management, and outcomes of common arterial trunk.
  • To highlight the importance of prenatal diagnosis and postnatal management strategies.
  • To discuss surgical interventions and long-term follow-up for CAT patients.

Main Methods:

  • Review of diagnostic imaging modalities including echocardiography, cardiac catheterization, CT angiography, and MRI.
  • Description of surgical repair techniques for CAT in the neonatal period.
  • Analysis of surgical outcomes and potential reoperations.

Main Results:

  • Prenatal diagnosis is feasible and aids delivery planning.
  • Transthoracic echocardiography is typically sufficient for diagnosis and anatomical assessment.
  • Surgical repair in the neonatal period yields excellent outcomes, though reoperation is often anticipated.

Conclusions:

  • Early diagnosis and surgical intervention are crucial for managing common arterial trunk.
  • Multimodality imaging is valuable for complex cases and post-repair assessment.
  • Long-term management involves monitoring and potential reoperations, particularly for the RV-to-PA conduit.