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Related Concept Videos

Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure entails...
Esophageal Varices-II: Clinical Features and Management01:28

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Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.
Varicose Veins II: Diagnostic Studies and Interprofessional Care01:26

Varicose Veins II: Diagnostic Studies and Interprofessional Care

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Related Experiment Video

Updated: Jun 12, 2026

An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function
09:40

An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function

Published on: April 17, 2020

[Verner-Morrison syndrome: a case study].

Csaba Halászlaki1, Henrik Horváth, Lajos Kiss

  • 1Semmelweis Egyetem, Altalános Orvostudományi Kar, I. Belgyógyászati Klinika, Budapest. resuscitatio@freemail.hu

Orvosi Hetilap
|June 19, 2010
PubMed
Summary

Verner and Morrison syndrome, characterized by watery diarrhea, hypokalemia, and achlorhydria (WDHA), is often caused by pancreatic VIPomas. Early diagnosis and treatment of this rare neuroendocrine tumor are crucial for patient outcomes.

Related Experiment Videos

Last Updated: Jun 12, 2026

An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function
09:40

An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function

Published on: April 17, 2020

Area of Science:

  • Endocrinology
  • Gastroenterology
  • Oncology

Background:

  • The Verner and Morrison syndrome, also known as watery diarrhea, hypokalemia, and achlorhydria (WDHA), was first described in 1958.
  • This syndrome is frequently associated with a specific type of neuroendocrine tumor called a VIPoma, which produces excessive amounts of vasoactive intestinal peptide (VIP).
  • VIPomas most commonly arise from the pancreas.

Observation:

  • Patients often present with chronic diarrhea that can persist for years before diagnosis.
  • Key clinical features include watery diarrhea, hypokalemia, and achlorhydria.
  • Untreated WDHA syndrome can lead to severe dehydration, electrolyte imbalances, and acid-base disorders, potentially causing chronic renal failure.

Findings:

  • Elevated levels of vasoactive intestinal peptide (VIP) serve as a highly sensitive diagnostic marker.
  • Diagnostic imaging modalities include endoscopic ultrasonography, CT, MRI, and somatostatin analogue scintigraphy.
  • VIPoma cases can be linked to multiple endocrine neoplasia type 1 (MEN1).

Implications:

  • Early and accurate diagnosis of VIPoma is essential for effective management.
  • Treatment strategies encompass surgical tumor resection, chemotherapy, and symptomatic control with somatostatin analogues.
  • Timely intervention can significantly improve patient survival and quality of life.