electric shock
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2022 ◽  
Vol 1211 (1) ◽  
pp. 012020
Author(s):  
O К Nikolsky ◽  
T M Khalina

Abstract The developments of the AltSTU have been reviewed in the area of creating a new technology for preventing technogenic hazards based on the residual current devices. The residual current devices are intended for protecting people from electric shock in case of contact with conductive parts of the electric appliances and shall facilitate reduction of fire risks caused by a prolonged flow of leakage currents and fault currents resulting from them. The results of creating different modifications of protective trip circuits and their industrial use are provided.


Author(s):  
Dr. P. Bala Shanmuga Vadivu ◽  
Dr. S. Ponlatha

An electric shock is the effect of passing an electric current through the body. The minimum current a human can feel is thought to be about 1 milliampere (mA). The effect can range from minor tingling to muscle spasms, tissue damage, fibrillation of the heart, loss of consciousness, and even death. These effects depend on a variety of factors, including the strength of the current, duration of the current, the area of the body through which the current passes, and whether the person is grounded or insulated from the ground. Death caused by an electric shock is referred to as electrocution.


2021 ◽  
Vol 16 (1) ◽  
pp. 62-69
Author(s):  
Ratih Pramitasari ◽  
Haikal Haikal ◽  
MG Catur Yuantari ◽  
Kristin Ishak Kurnia Dwi ◽  
Chalobon Treesak

Background: The welding workshop in Semarang City is spread over several areas in Semarang City. There are several types of work in welding workshops, namely, cutting raw materials, assembling, welding, grinding, sanding, and painting. This study aimed to analyze occupational safety and health risks in the informal welding workshop using the JSA (Job Safety Analysis) AS/NZS 4360:2004 Risk Management method. Method: This research was conducted using semi-quantitative method with descriptive analysis. A cross-sectional research design was used because data (observations, interviews, filling in risk analysis tables, work accidents, occupational diseases, and controls) were collected at a particular time. The study was conducted in Semarang, Central Java, and the population was all informal welding workshops. Result: This study showed that there are 8 types of welding tasks, 21 potential hazards, and 24 health consequences in a welding process. The total score calculated by multiplying "chance" by "severity" shows that 11 health consequences were acceptable risk while 13 others were high risk. Conclusion: The highest score of occupational health hazards was electric shock due to chipped cable, electric shock due to a chipped short circuit, and wet/rain/cloudy work area. Welders are recommended to follow the proper instruction in the welding process, and each workshop must provide a first aid box for its workers.


2021 ◽  
Vol 23 (Supplement_G) ◽  
Author(s):  
Stefano Santucci ◽  
Domenico Franchetti ◽  
David Emanuelli ◽  
Martina Cerulli ◽  
Sara Marcotuttli ◽  
...  

Abstract Cardiomyopathies to be the first cause of death. The patient who suffers from acute heart disease, after clinical evaluation, is subjected to a diagnostic–therapeutic process that involves several professional figures which include the doctor and the ambulance nurse, the doctor and all the emergency room staff who accept the patient and, if the clinical indication is oriented towards a vascular occlusion disease, the doctor and the technical-nursing team of the haemodynamics service activated in urgency. To diagnose with certainty the presence of vascular disease we make use of diagnostic systems that use ionizing radiation; the haemodynamics team thus finds itself operating not only in urgent conditions but also in dangerous conditions due to the presence of ionizing radiation. Nursing and technical staff need additional skills to be able to take on roles from basic care to emergency electric shock resuscitation. The purpose of this work is to illustrate the phases of the activity that stabilize the treatment in the hemodynamics room from the acute phase to the patient.


Author(s):  
Florestan Wagenblast ◽  
Robert Seibt ◽  
Thomas Läubli ◽  
Monika A. Rieger ◽  
Benjamin Steinhilber

Abstract. Objective quantification of mental stress in the workplace would be beneficial for designing work tasks to avoid the negative consequences of mental stress. Methods such as surface electromyography have proven to be sensitive to mental demands. However, there is little knowledge about the muscle response and moderating factors during anticipatory stress paradigms. This study examined whether the personality dimension neuroticism moderates the muscle response to the expectation of an unpredictable electrical shock. Forty-seven subjects underwent three expectation phases, in which they could expect a pleasant audio signal (NoShock) or an electric shock in two conditions (anticipation of the first: Shock1, and second electric shock: Shock2) at an unpredictable moment. The frontalis muscle activity and the upper and upper/middle parts of the trapezius muscle were recorded using surface electromyography. Neuroticism was surveyed using the Big Five Inventory to assign the subjects to a group with lower or higher neuroticism. Shock1 only induced higher trapezius muscle activity in the higher neuroticism group, which vanished during Shock2, while the frontalis muscle showed no significant effects. The results suggest that neuroticism should be considered a moderating factor in assessing anticipatory stress using surface electromyography at the trapezius muscle.


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