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Related Concept Videos

Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
Acute Pancreatitis I: Introduction01:25

Acute Pancreatitis I: Introduction

Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...

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Related Experiment Video

Updated: Jun 20, 2026

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
04:14

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults

Published on: February 28, 2025

Acute acalculous cholecystitis: a review.

Jason L Huffman1, Steven Schenker

  • 1Department of Internal Medicine, Division of Gastroenterology and Nutrition, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA. huffmanj2@uthscsa.edu

Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
|September 15, 2009
PubMed
Summary

Diagnosing acute acalculous cholecystitis (AAC) in critically ill patients is challenging. Early diagnosis relies on imaging like sonograms and HIDA scans, improving outcomes.

Related Experiment Videos

Last Updated: Jun 20, 2026

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
04:14

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults

Published on: February 28, 2025

Area of Science:

  • Gastroenterology
  • Diagnostic Imaging
  • Critical Care Medicine

Background:

  • Acute acalculous cholecystitis (AAC) is difficult to diagnose, often occurring in critically ill patients.
  • Clinical signs of AAC are nonspecific, complicating early identification.
  • AAC carries a high mortality rate, emphasizing the need for timely diagnosis and intervention.

Purpose of the Study:

  • To review imaging modalities for early and accurate diagnosis of AAC.
  • To discuss a pragmatic approach to diagnosing AAC in complex clinical settings.

Main Methods:

  • Review of existing literature on diagnostic modalities for AAC.
  • Emphasis on imaging techniques, including sonography and hepatic iminodiacetic acid (HIDA) scans.

Main Results:

  • Sonograms and HIDA scans are the most reliable imaging modalities for diagnosing AAC.
  • A combination of clinical suspicion and interpreted imaging is crucial for timely diagnosis.

Conclusions:

  • Early diagnosis of AAC is critical for improving patient outcomes.
  • While cholecystectomy is definitive, interventional drainage may be life-saving in select cases.