Watery Diarrhea: E. Coli
Über den Vortrag
Der Vortrag „Watery Diarrhea: E. Coli“ von John Fisher, MD ist Bestandteil des Kurses „Year 3 – Internal Medicine“. Der Vortrag ist dabei in folgende Kapitel unterteilt:
- Watery Diarrhea E. Coli/ETEC – Pathology and Signs/Symptoms
- Watery Diarrhea E. Coli/EPEC
- Watery Diarrhea E. coli/EAEC
Quiz zum Vortrag
A 28-year-old man is experiencing watery diarrhea with fecal incontinence, fatigue, and dehydration shortly after visiting the Caribbean. What is the MOST LIKELY pathogen causing this young man’s symptoms?
- Enterotoxigenic E. coli
- Bacillus cereus
- Enteroaggregative E. coli.
- E. coli O157 : H7
- Staphylococcus aureus
Which of the following organisms cause osmotic diarrhea by increasing cellular cyclic GMP in the small bowel mucosal layer?
- Enterotoxigenic E. coli
- Enteropathogenic E. coli
- Enteroaggragative E. coli
- Clostridium difficile
- Vibrio cholerae
How does heat-labile enterotoxin (LT) contribute to the watery diarrhea caused by Enterotoxogenic E. Coli?
- Increases small intestinal cellular cyclic AMP production
- Increases small intestinal cellular cyclic GMP production
- Attaches to the microvilli and causes mucosal damage
- Promotes an inflammatory response in colonic cells
- Causes apoptosis of small bowel cells which leads to malabsorption
What is a distinguishing symptom of invasive colitis compared to non-invasive toxogenic diarrhea?
- Tenesmus
- Periumbilical cramps
- Vomiting
- Non-bloody stools
- Fevers
How does Enteropathogenic E. coli cause the disruption of tight junctions between intestinal epithelial cells?
- Non-fimbrial adhesion to the epithelial cells
- Fimbrial adhesion to the brush border of the intestine
- Toxin subunit B attachment to the cell membrane
- Toxin subunit A invasion of the endoplasmic reticulum
- Aggregating in large clumps in the microvilli causing malabsorption
Which of the following bacteria makes toxins that damage the colon?
- Clostridium difficile
- E. coli O157 : H7
- Enterotoxogenic E.coli
- Enteropathogenic E. coli
- Enteroaggragative E. coli
Which of the following bacteria typically causes colitis due to overgrowth following, and sometimes even during, antibiotic therapy?
- Clostridium difficile
- Clostridium perfringens
- Clostridium botulinum
- Clostridium tetani
- Clostridium sordellii
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Dozent des Vortrages Watery Diarrhea: E. Coli
John Fisher, MD
Dr. John F. Fisher is a Professor of Medicine and Infectious Diseases at the Medical College of Georgia, Augusta University in the USA.
He obtained his medical degree from Virginia Commonwealth University School of Medicine in 1969. He is a Master of the American College of Physicians (MACP) and is certified by the American Board of Internal Medicine in Medicine and Infectious Diseases.
Due to his achievements, he has earned the Annual J. Willis Hurst Teaching Award, the Jane F. Deforges Excellence in Medical Education Award, and the Infectious Diseases Society of America's Clinical Teacher Award.
Within Lecturio, Dr. Fisher teaches courses on Infectious Diseases.
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God bless u Sir .. you are a great teacher..........refklj bhacskvFX,N CXKBLAV;Wdls C
Short and informative and clear and easy-to-digest and reconsolidation of information takes a shorter time and stays for a longer time compared to huge lectures
