scispace - formally typeset
Search or ask a question

What is the recommended humidity for the MRI scan room? 

Answers from top 5 papers

More filters
Papers (5)Insight
In conclusion, core body temperature was found to decrease slightly during an MRI scan under GA.
Together with a previously proposed model for predicting discomfort due to high skin humidity, the respiratory model may be used to specify upper limits for humidity in the indoor environment.
The resolution is sufficient enough to monitor internal package humidity for either in vitro or in vivo testing.
The resolution is sufficient enough to monitor internal package humidity for either in in-vitro or in-vivo testing.
The method can be integrated as part of a standard MRI Quality Assurance program and may also be useful to correct for inter-scan variability introduced by fluctuations in gradient performance.

Related Questions

Does humidity affect the variability of the induction of EAE (experimental autoimmune encephalomyelitis) in terms of severity and incidence?5 answersThe variability of the induction of EAE in terms of severity and incidence is influenced by factors such as the origin of the encephalitogen and the presence of adjuvants. The use of adjuvants in EAE induction can produce non-specific effects that interfere with the autoimmune response to the central nervous system (CNS) tissue. EAE is a complex condition with heterogeneity in susceptibility, induction methods, and response to interventions. Age also plays a role in the pathophysiological features of EAE, with changes in metabolic profiles contributing to disease development. B cells do not play a role in the activation of encephalitogenic T cells but may contribute to the immune modulation of acute EAE. The induction of EAE is mediated by the cellular component of the immune response, specifically T lymphocytes, and the autoimmune response to myelin basic protein (MBP) is associated with the severity and onset of EAE.
What is the optimal dose of contrast bath for MRI?3 answersThe optimal dose of contrast agent for MRI varies depending on the specific imaging protocol and clinical indication. Studies have shown that the dose of contrast agent should be adjusted based on factors such as body surface area (BSA), pulse sequence used, and magnetic field strength. For T1-weighted imaging, the optimal dose of contrast agent has been found to be 0.1 mmol/kg body weight for most CNS pathology. However, higher doses (up to 0.3 mmol/kg) may be necessary for optimal detection of cerebral metastases or poorly enhancing lesions. Additionally, the use of higher magnetic field strengths (e.g., 3.0 T) may allow for a reduction in contrast agent dose while still achieving similar contrast enhancement compared to lower field strengths. Overall, the optimal dose of contrast agent for MRI should be determined based on the specific clinical scenario and imaging parameters being used.
Can you drink alcohol the night before a MRI scan?3 answers
Can you have alcohol before an MRI scan?3 answers
How do you arrange an MRI scan?4 answers
How long are MRI images kept?8 answers

See what other people are reading

How does the mounting pressure from climate change impact the occurrence and spread of heatwaves and droughts?
4 answers
What are the average drying time of glue?
5 answers
How does the efficiency of photovoltaic cells vary under different environmental conditions?
5 answers
The efficiency of photovoltaic cells is significantly influenced by various environmental conditions. Factors such as solar irradiation, temperature, humidity, and shading play crucial roles in determining the performance of solar panels. Studies have shown that solar cell efficiency decreases with increasing temperature due to thermal losses. Additionally, the presence of dust, shadows, and exhaust smoke can reduce the efficiency of PV modules by blocking solar irradiance, leading to a drop in output voltage. Moreover, the impact of incident angle response, operating temperature coefficient, and spectral response on energy efficiency values has been highlighted, with incident angle response parameters showing the greatest influence on photovoltaic module efficiency. Understanding and mitigating these environmental factors are essential for optimizing the efficiency and performance of photovoltaic cells.
Comparison types of moisture sensor in market?
5 answers
In the market, various types of moisture sensors are available for different applications. Capacitive sensors, as discussed inand, utilize impedance and are known for their durability, short response and recovery times, making them efficient for moisture measurement. Resistive sensors, commonly made of ceramic or organic polymer materials, are also prevalent but may have limitations in sensitivity compared to capacitive sensors. Additionally, piezoresistive sensors, highlighted in, offer fast response times and high sensitivity, suitable for detecting minute moisture levels. Furthermore, the use of dielectric elastomer sensors, as mentioned in, provides accurate moisture measurement by observing capacitance changes due to water content, offering flexibility and wearability. Each type of sensor has its unique strengths and applications in the diverse market of moisture sensing technologies.
Is moisturing feathers with water an effective strategy of cooling in birds on hot days?
5 answers
Moistening feathers with water can be an effective cooling strategy for birds on hot days. Research has shown that high humidity can lead to higher body temperatures in birds, but it also results in lower evaporative water loss and higher resting metabolic rates, ultimately reducing the ratio of evaporative heat loss to metabolic heat production. Additionally, a study on Namaqua sandgrouse revealed that their belly feathers are designed to suck in water, aiding in water storage and release, which could be crucial for cooling purposes. Furthermore, a novel cool composite down feather textile fabric has been developed, incorporating moisture absorption properties to enhance cooling and breathing in birds. Therefore, moistening feathers with water, along with advancements in material design for improved moisture absorption, can indeed be an effective cooling strategy for birds in hot weather conditions.
What are the factors that contribute to selective corrosion on copper wire bonding in electronic devices?
5 answers
Selective corrosion on copper wire bonding in electronic devices is influenced by various factors. Factors contributing to this corrosion include the presence of moisture, chlorine (Cl), and fluorine (F) which act as catalysts for intermetallic compound (IMC) corrosion. The Cu/Al ratio of the IMC plays a crucial role in determining the corrosion rate, with the most Cu-rich IMC being the most susceptible to corrosion. Additionally, the structural incompatibility between aluminum oxide and copper oxide compromises the passivity of the IMC surface oxide, making it less resistant to corrosion. Process parameters and steps during assembly also play a significant role in either facilitating or preventing corrosion on copper wire bonding. Therefore, controlling these factors through proper design and monitoring is essential to mitigate selective corrosion in semiconductor packages.
What is relative humidity condition affect crops?
5 answers
The relative humidity condition significantly affects crops by influencing various growth parameters. Optimal humidity levels around 85±2% enhance plant growth by maintaining stomatal openness for photosynthesis. Conversely, deviations from this optimal range can lead to reduced transpiration rates, affecting nutrient assimilation and overall plant development negatively. In controlled conditions, volatility of herbicides is influenced by relative humidity levels, with a shift from 47% to 70% reducing volatility for certain herbicides. Moreover, high canopy relative humidity helps suppress leaf burn occurrence in vegetable crops, maintaining leaf water potential, improving photosynthesis, and reducing physiological disorders like leaf margin necrosis. Therefore, monitoring and managing relative humidity levels are crucial for optimizing crop growth and minimizing adverse effects on plant health.
Can kicked to be used as a sensor?
5 answers
Kicks can indeed be utilized as sensors in various applications. For instance, a novel capacitive sensing band for a kicking sensor has been developed, which effectively reduces parasitic capacitance and enhances performance. In the context of a kick sensor system for a car tail door, kick sensors are used to detect foot-kicking actions and environmental factors, with a processing module compensating for environmental signals to improve anti-interference performance. Moreover, kick detection systems are crucial in drilling operations to prevent blowouts, with a focus on enhancing reliability and sensitivity through sensor network analysis and optimization. Additionally, a hands-free operation technique involves using a kick gesture detected by a microwave sensor, showcasing the feasibility of kicks as a sensor input for device activation.
Can kicked top system be used as a sensor?
5 answers
Yes, a kicked top system can be utilized as a sensor in various applications. For instance, a kick sensor system for a car tail door incorporates capacitive strips to sense foot-kicking actions and environmental factors, enhancing anti-interference performance. Similarly, a top lamp control system based on a light sensor judges ambient light brightness to control the top lamp intelligently, improving energy efficiency and user experience. Additionally, a stress sensor connected to a table saw detects characteristics of the work component, influencing the saw blade's speed based on stress signals, showcasing the sensor's role in kickback event detection. These examples demonstrate the versatility and effectiveness of utilizing kicked top systems as sensors in different scenarios.
What are the biggest technology changes and drivers that will affect the world in the next 10 years?
4 answers
In the next 10 years, significant technological changes are expected to impact the world. MRI technology is predicted to advance with higher field imaging, improved coil technology, and the introduction of combined modality methods. Additionally, advancements in electronics manufacturing may include the integration of multiple chips on an interposer through advanced 2.5D System in Package (SiP) integration. Furthermore, various emerging technologies like autonomous vehicles, quantum computing, blockchain, and nanomaterials are anticipated to revolutionize different sectors, as highlighted in a discussion on technologies that will change the world. These changes will be driven by mega trends such as digitalization, globalization, and knowledge-based economies, which will require higher network capacities to support increasing data transfer rates for multimedia services and content consumption.
What is humidity sensor?
4 answers
A humidity sensor is a device designed to measure and monitor the presence of water vapor in the air. These sensors are crucial in various fields such as health care, environmental monitoring, automotive, and industrial applications. Different types of humidity sensors exist, including those based on organic materials that offer cost-effective and reliable solutions. Additionally, advancements have led to the development of sensors capable of accurately measuring humidity even in wet conditions, such as those integrated into garments. Furthermore, innovative designs incorporating multiple layers with varying oxygen defect numbers have been created to enhance sensitivity and accuracy in monitoring environmental humidity levels. Overall, humidity sensors play a vital role in ensuring human health, material quality, and efficient processes across various industries.