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Related Concept Videos

Unusual Results01:16

Unusual Results

3.8K
Unusual results are those that have a very low chance of occurring. Unusual results can be identified using probabilities and the range rule of thumb. In problems involving probability, unusual results can be observed in 2 instances – an unusually high number of successes or an unusually low number of successes.
According to the range rule of thumb, any value above or below two standard deviations, 2σ  from the mean, μ  is considered unusual.
Maximum unusual value =...
3.8K
z Scores and Unusual Values01:07

z Scores and Unusual Values

11.0K
The z score is one of the three measures of relative standing. It describes the location of a value in a dataset relative to the mean. z scores are obtained after the standardization of the values in a dataset. The z score for the mean is 0.
 This score indicates how far a value is from the mean in terms of standard deviation. For example, if a data value has a z score of +1, the researcher can infer that the particular data value is one standard deviation above the mean. If another data...
11.0K
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

923
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
923
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

1.5K
Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
1.5K
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

586
Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
586
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

1.7K
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Related Experiment Video

Updated: Jan 28, 2026

Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans
11:07

Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans

Published on: December 19, 2014

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An Unusual Case of Pulmonary Cryptococcus.

Hafiz M Aslam1, Kelly A Cann2, Kareem H Genena3

  • 1Internal Medicine, Seton Hall University-Hackensack Meridian School of Medicine, St. Francis Program, Trenton, USA.

Cureus
|February 22, 2019
PubMed
Summary

Symptomatic pulmonary cryptococcosis, a fungal infection, can occur in immunocompetent individuals. This case report details a rare presentation of diffuse lung disease caused by Cryptococcus in an immunocompetent patient.

Area of Science:

  • Infectious Diseases
  • Pulmonology
  • Mycology

Background:

  • Cryptococcal infections, caused by Cryptococcus gattii and C. neoformans, typically affect immunocompromised individuals.
Keywords:
cryptococcosisimmunocompetent patientpulmonary involvement

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Size Matters: Measurement of Capsule Diameter in Cryptococcus neoformans
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  • While often asymptomatic or presenting as isolated pulmonary nodules in immunocompetent hosts, symptomatic diffuse pulmonary disease is rare.