Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Line Loss

Line Loss

The different configurations of source-load connections include wye (star) and delta connections. The relationship between line and phase voltages and currents varies depending on the configuration. When the source is supplying power, it is transmitted through the wires to the load, and during this transmission, some power is absorbed by the wires, leading to line loss.
Line loss impacts power delivery efficiency in a balanced three-phase circuit. The symmetry in such a circuit simplifies the...

Design Example

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...

Doppler Effect - II

Doppler Effect - II

The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...

Restarting Stalled Replication Forks

Restarting Stalled Replication Forks

DNA replication is initiated at sites containing predefined DNA sequences known as origins of replication. DNA is unwound at these sites by the minichromosome maintenance (MCM) helicase and other factors such as Cdc45 and the associated GINS complex.The unwound single strands are protected by replication protein A (RPA) until DNA polymerase starts synthesizing DNA at the 5’ end of the strand in the same direction as the replication fork. To prevent the replication fork from falling apart, a...

Restarting Stalled Replication Forks

Restarting Stalled Replication Forks

DNA replication is initiated at sites containing predefined DNA sequences known as origins of replication. DNA is unwound at these sites by the minichromosome maintenance (MCM) helicase and other factors such as Cdc45 and the associated GINS complex.The unwound single strands are protected by replication protein A (RPA) until DNA polymerase starts synthesizing DNA at the 5’ end of the strand in the same direction as the replication fork. To prevent the replication fork from falling apart, a...

Reducing Line Loss

Reducing Line Loss

In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...

You might also read

Related Articles

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

Sort by

Same author

Patient-ventilator dyssynchrony in the intensive care unit: A practical approach to diagnosis and management.

Anaesthesia and intensive care·2021

Same author

Refractive index of biological tissues: Review, measurement techniques, and applications.

Photodiagnosis and photodynamic therapy·2021

Same author

Prospective Countywide Surveillance and Autopsy Characterization of Sudden Cardiac Death: POST SCD Study.

Circulation·2018

Same author

Renal Function, Weaning, and Survival in Patients With Ventilator-Dependent Respiratory Failure.

Journal of intensive care medicine·2017

Same author

Subcutaneous and Pulmonary Dirofilariasis with Evidence of Splenic Involvement.

Case reports in pulmonology·2016

Same author

Surgical Management of Odontoid Fracture in Elderly.

JNMA; journal of the Nepal Medical Association·2016

Same journal

Incidence of Hepatitis C Virus and Other Bloodborne Virus Infections Among Nonurban Residents of Fairfield and New Haven Counties, Connecticut Who Inject Drugs.

Connecticut medicine·2021

Same journal

Remarks from the Annual Meeting.

Connecticut medicine·2018

Same journal

Address of the Outgoing President: Evolution.

Connecticut medicine·2018

Same journal

Address of the New President: One Society.

Connecticut medicine·2018

Same journal

Post Integration Trauma Syndrome (PITS).

Connecticut medicine·2018

Same journal

New Federal Drug Administration Fluoroquinolone Warning and a Practical Approach to Managing Patients.

Connecticut medicine·2018

See all related articles

Search research articles

Related Experiment Video

Updated: May 28, 2026

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

"A dropped call".

Ryan J Magnuson¹, Jose Angelo A De Dios, Rana Khan

¹Department of Internal Medicine, University of Connecticut Health Center, Farmington, USA.

Connecticut Medicine

|October 11, 2011

Summary

This summary is machine-generated.

A tracheobronchial foreign body mimicked asthma symptoms in a young woman. Early diagnosis and management are crucial for resolving persistent wheezing and cough caused by airway obstructions.

More Related Videos

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

Published on: September 2, 2009

Related Experiment Videos

Last Updated: May 28, 2026

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

Published on: September 2, 2009

Area of Science:

Pulmonology
Medical Case Reports
Diagnostic Imaging

Background:

Wheezing and cough are common respiratory symptoms often attributed to asthma.
Delayed diagnosis of tracheobronchial foreign body aspiration can lead to prolonged respiratory distress.

Observation:

A 29-year-old healthy female presented with recurrent wheezing and cough, initially diagnosed as asthma.
Despite multiple asthma treatments, her symptoms persisted, prompting further investigation.

Findings:

A tracheobronchial foreign body was identified as the cause of the patient's persistent respiratory symptoms.
This highlights the importance of considering foreign body aspiration in the differential diagnosis of unexplained wheezing.

Implications:

This case underscores the need for a thorough clinical evaluation for tracheobronchial foreign body aspiration in patients with persistent wheezing.
Effective management involves prompt diagnosis and removal of the foreign body to prevent complications.