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

Response Surface Methodology01:16

Response Surface Methodology

191
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
191
Region of Convergence of Laplace Tarnsform01:20

Region of Convergence of Laplace Tarnsform

612
The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This...
612
Cross-Sectional Research01:50

Cross-Sectional Research

11.4K
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
11.4K
Frequency of Spring-Mass System01:17

Frequency of Spring-Mass System

5.7K
One interesting characteristic of the simple harmonic motion (SHM) of an object attached to a spring is that the angular frequency, and the period and frequency of the motion, depend only on the mass and the force constant of the spring, and not on other factors such as the amplitude of the motion or initial conditions. We can use the equations of motion and Newton's second law to find the angular frequency, frequency, and period.
Consider a block on a spring on a frictionless surface. There...
5.7K
Rab Cascades01:25

Rab Cascades

2.7K
Rab GTPases act in a regulated cascade during membrane fusion, helping the lipid bilayers mix. The Rab family of proteins are active when bound to GTP, and inactive when bound to GDP. Hence, they act as guanine nucleotide-dependent molecular switches. Rab-GTP recognizes and binds to long or short-range tethering proteins to capture the target vesicle. These tethers coordinate with SNAREs on the vesicle and the target membrane to assemble the trans SNARE complex that locks the mixing bilayers.
2.7K
Rous Sarcoma Virus (RSV) and Cancer01:03

Rous Sarcoma Virus (RSV) and Cancer

5.2K
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...
5.2K

You might also read

Related Articles

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

Sort by
Same author

Iterative Virtual and Physical Simulation for Staged Separation of Total Vertical Craniopagus: The Avatar Patient Approach to Conjoined Twins.

Operative neurosurgery (Hagerstown, Md.)·2026
Same author

Cooking-Related Skills and Food Sustainability-Related Practices: A Systematic Review.

Foods (Basel, Switzerland)·2026
Same author

Eating Disorder Risk and Its Biobehavioural Correlates in Italian University Students: The UniFoodWaste Study.

Nutrients·2026
Same author

Evaluation of genetic-molecular causes of out-of-hospital cardiac arrest - from patients to families: the GenetiCA study.

Resuscitation plus·2026
Same author

Effects of Heat Waves on Hospitalizations, Emergency Department Visits, and Outpatient Care in Frail Older Adults: A Systematic Review and Meta-Analysis.

Diseases (Basel, Switzerland)·2026
Same author

Interventions Addressing Vaccine Hesitancy in the WHO European Region and in North America (United States and Canada): A Systematic Review.

Public health reviews·2026
Same journal

Health-related quality of life of patients with chronic kidney disease: Does it improve after initiation of haemodialysis? A single-centre study from South India.

Journal of preventive medicine and hygiene·2026
Same journal

The digital tether: a SA-SV based survey on smartphone addiction among young adults in Southern Italy.

Journal of preventive medicine and hygiene·2026
Same journal

Errata Corrige.

Journal of preventive medicine and hygiene·2026
Same journal

Awareness towards Cancer Attributable to Infections (CAI): A Lebanese study with a special focus on young adults, and adults.

Journal of preventive medicine and hygiene·2026
Same journal

The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.

Journal of preventive medicine and hygiene·2026
Same journal

Black Death of 1348 in Florence and SARS-CoV-2 (COVID-19) in the 650<sup>th</sup> anniversary of the death of the writer Giovanni Boccaccio (1313-1375).

Journal of preventive medicine and hygiene·2026
See all related articles

Related Experiment Video

Updated: Jul 27, 2025

Mouse Round Spermatid Injection
08:41

Mouse Round Spermatid Injection

Published on: January 26, 2024

820

Spring, it's time to ROSC.

Giuseppe Stirparo1, Aida Andreassi2, Giuseppe Maria Sechi2

  • 1Faculty of Medicine, School of Public Health, University of Vita-Salute San Raffaele, Milano, Italy.

Journal of Preventive Medicine and Hygiene
|June 9, 2023
PubMed
Summary
This summary is machine-generated.

Out-of-hospital cardiac arrest (OHCA) survival rates, specifically Return Of Spontaneous Circulation (ROSC), showed a notable increase in March and April. This seasonal effect on OHCA outcomes warrants further investigation into meteorological factors.

Keywords:
Emergency medical systemEnvironmental pollutionResuscitation

More Related Videos

Author Spotlight: Advancing Pathogen Detection and Disease Assessment in Real-Time Using M-ROSE
03:22

Author Spotlight: Advancing Pathogen Detection and Disease Assessment in Real-Time Using M-ROSE

Published on: March 1, 2024

481
How to Build a Vacuum Spring-transport Package for Spinning Rotor Gauges
09:26

How to Build a Vacuum Spring-transport Package for Spinning Rotor Gauges

Published on: April 7, 2016

9.2K

Related Experiment Videos

Last Updated: Jul 27, 2025

Mouse Round Spermatid Injection
08:41

Mouse Round Spermatid Injection

Published on: January 26, 2024

820
Author Spotlight: Advancing Pathogen Detection and Disease Assessment in Real-Time Using M-ROSE
03:22

Author Spotlight: Advancing Pathogen Detection and Disease Assessment in Real-Time Using M-ROSE

Published on: March 1, 2024

481
How to Build a Vacuum Spring-transport Package for Spinning Rotor Gauges
09:26

How to Build a Vacuum Spring-transport Package for Spinning Rotor Gauges

Published on: April 7, 2016

9.2K

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Public Health

Background:

  • Out-of-hospital cardiac arrest (OHCA) is a critical medical emergency with numerous contributing factors.
  • While lifestyle factors are well-studied, the influence of meteorological and seasonal variations on OHCA outcomes remains underexplored.

Purpose of the Study:

  • To investigate the potential seasonal impact on the probability of achieving Return Of Spontaneous Circulation (ROSC) in OHCA patients.
  • To analyze variations in OHCA rescue characteristics and patient demographics across different months.

Main Methods:

  • A retrospective observational cohort study analyzed 23,959 OHCA rescues from the Lombardy Region's emergency medical system (EMS) in 2018-2019.
  • Statistical analysis focused on Return Of Spontaneous Circulation (ROSC) rates and associated variables, comparing outcomes across months.

Main Results:

  • A statistically significant increase in ROSC probability was observed in March and April (OR: 1.20).
  • During these spring months, there was increased public access defibrillation (PAD) use and a reduction in average first vehicle response time and patient age.
  • A slight decrease in cancer patients experiencing OHCA was also noted.

Conclusions:

  • The study identified a distinct seasonal variation in OHCA outcomes, with improved ROSC rates in early spring.
  • While factors like PAD use and patient age showed some correlation, they do not fully explain the observed seasonal difference.
  • Further research is recommended to explore meteorological and other environmental factors influencing OHCA survival.