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At a brain temperature of 14 °C, blood circulation can be safely stopped for 30 to 40 minutes. [3] There is an increased incidence of brain injury at times longer than 40 minutes, but sometimes circulatory arrest for up to 60 minutes is used if life-saving surgery requires it. [4] [5] Infants tolerate longer periods of DHCA than adults. [6]
The incidence of symptomatic PAD increases with age, from about 0.3% per year for men aged 40–55 years to about 1% per year for men aged over 75 years. The prevalence of PAD varies considerably depending on how PAD is defined and the age of the population being studied.
The pads are then attached to a monitor/defibrillator, a heart rate is selected, and current (measured in milliamps) is increased until electrical capture (characterized by a wide QRS complex with tall, broad T wave on the ECG) is obtained, with a corresponding pulse. Pacing artifact on the ECG and severe muscle twitching may make this ...
When my family moved to New Hampshire going into my freshman year of high school, Dr. C. Everett Koop, President Ronald Reagan’s surgeon general, became my neighbor. As an aspiring doctor, I ...
Dementia is a devastating condition that impacts up to 10 percent of older adults. And while there's no cure, getting diagnosed early can help patients get on a treatment plan and families prepare ...
Resting ABPI is insensitive to mild PAD. [8] Treadmill tests (6 minute) are sometimes used to increase ABPI sensitivity, [9] but this is unsuitable for patients who are obese or have co-morbidities such as Aortic aneurysm, and increases assessment duration. Lack of protocol standardisation, [10] which reduces intra-observer reliability. [11]
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Women are more likely to survive cardiac arrest and leave the hospital than men. [147] Hypoxic ischemic brain injury is a concerning outcome for people suffering a cardiac arrest. [ 148 ] Most improvements in cognition occur during the first three months following cardiac arrest, with some individuals reporting improvement up to one year post ...