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Related Concept Videos

Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
Menses Phase01:18

Menses Phase

The uterine cycle begins with the menstrual phase, which is considered day one of the cycle and typically lasts about five days. This phase is characterized by the degeneration and shedding of the stratum functionalis, the functional layer of the endometrium.
When fertilization does not occur, the corpus luteum deteriorates, causing a significant drop in the levels of estrogen and progesterone in the body. This hormonal decrease triggers the release of prostaglandins, which cause the uterine...
Measurement of Fluid Pressure01:16

Measurement of Fluid Pressure

Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH release.
The Menstrual Cycle01:19

The Menstrual Cycle

The menstrual cycle is a recurrent sequence of changes in the uterine endometrium, specifically its functional layer, the stratum functionalis. This cycle prepares the uterus for potential pregnancy. This cycle typically spans 21–35 days, averaging 28 days, and aligns with the ovarian cycle, regulated by fluctuating levels of ovarian hormones, primarily estrogen and progesterone.
The menstrual phase occurs from days 1 to 5 and involves the shedding of the stratum functionalis, as a uterine...
Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer02:57

Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer

Gas pressure is caused by force exerted by gas molecules colliding with the surfaces of objects. Although the force of each collision is very small, any surface of an appreciable area experiences a large number of collisions in a short time, which can result in high pressure.

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Related Experiment Video

Updated: May 22, 2026

Biaxial Basal Tone and Passive Testing of the Murine Reproductive System Using a Pressure Myograph
09:59

Biaxial Basal Tone and Passive Testing of the Murine Reproductive System Using a Pressure Myograph

Published on: August 13, 2019

From menorrhagia to manometers.

Kate Skone1, Joe Abbott, Ian D Wacogne

  • 1Birmingham Children's Hospital, Department of General Paediatrics, Steelhouse Lane, Birmingham, B4 6NH, UK.

Archives of Disease in Childhood. Education and Practice Edition
|May 22, 2012
PubMed
Summary

Diagnosing unwell children requires integrating seemingly unrelated symptoms. This case study highlights the complex decision-making process for a unified medical diagnosis.

Area of Science:

  • Pediatric Medicine
  • Diagnostic Challenges
  • Clinical Reasoning

Background:

  • Unexplained pediatric illness presents diagnostic hurdles.
  • Integrating diverse symptoms is crucial for accurate diagnosis.
  • Effective clinical decision-making is vital in pediatric care.

Observation:

  • A child presented with a constellation of initially unrelated symptoms.
  • The diagnostic journey involved evaluating multiple potential causes.
  • The case underscores the complexity of pediatric presentations.

Findings:

  • A unifying diagnosis was achieved through systematic evaluation.
  • Parallel diagnostic processes were employed to synthesize information.
  • The study demonstrates a method for explaining complex pediatric unwellness.

More Related Videos

Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis
06:22

Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis

Published on: September 1, 2019

Related Experiment Videos

Last Updated: May 22, 2026

Biaxial Basal Tone and Passive Testing of the Murine Reproductive System Using a Pressure Myograph
09:59

Biaxial Basal Tone and Passive Testing of the Murine Reproductive System Using a Pressure Myograph

Published on: August 13, 2019

Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis
06:22

Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis

Published on: September 1, 2019

Implications:

  • Improved diagnostic strategies for complex pediatric cases.
  • Enhanced understanding of clinical reasoning in medicine.
  • Guidance for healthcare professionals managing undifferentiated pediatric illness.