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Appendicitis-I: Introduction01:22

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The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
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Acute Pyelonephritis I: Introduction01:27

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Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Pyloric Obstruction01:11

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Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...
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Intestinal Obstruction II: Pathophysiology01:07

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Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
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Appendicitis01:19

Appendicitis

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Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
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Segmental obstructing acute jejunitis in a child

M Hirschberger, E Rosental, M Thaler

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    Acute enteritis, typically affecting the ileum, was observed in the jejunum of a young girl. Surgical intervention led to a full recovery, suggesting jejunal involvement is treatable.

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    Area of Science:

    • Gastroenterology
    • Pediatric Surgery
    • Pathology

    Background:

    • Acute localized enteritis commonly affects the terminal ileum in both adults and children.
    • The typical presentation involves inflammation of the ileocecal region.

    Observation:

    • A case of acute enteritis was identified, uniquely confined to the jejunum.
    • The patient was a 3 1/2-year-old girl experiencing partial upper intestinal obstruction.

    Findings:

    • Surgical biopsy of the affected jejunal segment revealed acute inflammatory changes within the mucosa.
    • Severe edema was noted in the submucosa of the jejunum.

    Implications:

    • This case expands the known anatomical distribution of acute enteritis to include the jejunum.
    • Surgical resection of the affected jejunal segment resulted in prompt and sustained recovery.
    • Highlights the potential for jejunal acute enteritis as a cause of intestinal obstruction in children.