Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Salivary Glands and Saliva01:23

Salivary Glands and Saliva

2.1K
The salivary glands, of which there are three pairs known as the parotid, submandibular, and sublingual glands, play a crucial role in maintaining oral health and initiating the digestive process. Positioned near the ears, beneath the masseter muscle, the parotid glands secrete saliva into the oral cavity through the parotid duct of Stensen. Meanwhile, the submandibular glands, located on the floor of the mouth, secrete saliva through channels named submandibular ducts. The sublingual glands,...
2.1K
Regulation of Water Output01:26

Regulation of Water Output

1.9K
The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
1.9K
Regulation of Water Intake01:25

Regulation of Water Intake

2.5K
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
2.5K
Disorder of Water Balance01:29

Disorder of Water Balance

2.3K
Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
2.3K
Testing a Claim about Mean: Unknown Population SD01:21

Testing a Claim about Mean: Unknown Population SD

5.3K
A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here.
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used;...
5.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Prediction Model for Children With Anaphylaxis Who May Not Require Emergency Department Care: A Multicenter Retrospective Cohort Study.

The journal of allergy and clinical immunology. In practice·2026
Same author

Designing better research posters: A primer and recommendations.

Journal of hospital medicine·2026
Same author

Developing, designing, and delivering more effective research and didactic presentations: A primer and recommendations.

Journal of hospital medicine·2026
Same author

Timing of repeat epinephrine to inform paediatric anaphylaxis observation periods: a retrospective cohort study.

The Lancet. Child & adolescent health·2025
Same author

Pediatric Emergency Medicine Fellowship Directors' 2021 Collective Statement on Virtual Interviews and Second Looks.

Pediatric emergency care·2021
Same author

Nebulized Tranexamic Acid for Pediatric Post-tonsillectomy Hemorrhage: A Report of Two Cases.

Clinical practice and cases in emergency medicine·2021

Related Experiment Video

Updated: Dec 24, 2025

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
07:05

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea

Published on: November 9, 2016

24.3K

How Much Drool Is Too Much?

Gena Schubert1, Josh Haverland1, Craig Vander Wyst2

  • 1Phoenix Children's Hospital, Phoenix, AZ.

Clinical Pediatric Emergency Medicine
|April 15, 2020
PubMed
Summary

A pediatric patient presented with lethargy and ptosis, rapidly progressing to respiratory failure requiring intubation. Prompt diagnosis and intervention are critical for managing pediatric respiratory distress and improving outcomes.

Keywords:
myasthenia gravismyasthenic crisisptosisrespiratory distress

More Related Videos

Quantification of Drosophila melanogaster Grooming Behavior for Evaluation of Excessive Grooming Phenotypes
05:08

Quantification of Drosophila melanogaster Grooming Behavior for Evaluation of Excessive Grooming Phenotypes

Published on: March 21, 2025

968
A Method for the Measurement of Salivary Gland Function in Mice
07:29

A Method for the Measurement of Salivary Gland Function in Mice

Published on: January 25, 2018

19.8K

Related Experiment Videos

Last Updated: Dec 24, 2025

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
07:05

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea

Published on: November 9, 2016

24.3K
Quantification of Drosophila melanogaster Grooming Behavior for Evaluation of Excessive Grooming Phenotypes
05:08

Quantification of Drosophila melanogaster Grooming Behavior for Evaluation of Excessive Grooming Phenotypes

Published on: March 21, 2025

968
A Method for the Measurement of Salivary Gland Function in Mice
07:29

A Method for the Measurement of Salivary Gland Function in Mice

Published on: January 25, 2018

19.8K

Area of Science:

  • Pediatric Emergency Medicine
  • Neurology
  • Critical Care

Background:

  • Respiratory failure in children presents a diagnostic challenge.
  • Lethargy and ptosis can be early signs of serious conditions.
  • Prompt evaluation is crucial to prevent severe morbidity and mortality.

Purpose of the Study:

  • To highlight the importance of thorough evaluation in pediatric respiratory failure.
  • To discuss the differential diagnosis for a child with lethargy and ptosis.
  • To emphasize the need for timely intervention in emergent cases.

Main Methods:

  • Case presentation of a 3-year-old boy with acute respiratory distress.
  • Review of the diagnostic process including physical examination and workup.
  • Analysis of the clinical course leading to emergent intubation.

Main Results:

  • The patient exhibited progressive symptoms including lethargy and ptosis.
  • Respiratory failure necessitated emergency intubation.
  • A definitive diagnosis was established after comprehensive evaluation.

Conclusions:

  • A systematic approach is vital for diagnosing pediatric respiratory failure.
  • Early recognition of subtle neurological signs like ptosis is critical.
  • Effective management hinges on rapid diagnosis and appropriate intervention.