Basics of mechanical ventilation for medical students
By: Nicole Evans M.D.
Patients may require mechanical ventilation for chronic or acute respiratory failure. When a patient is intubated and placed on ventilation, there are several settings a physician may have to manage on the mechanical ventilator. These ventilator settings include the positive end expiratory pressure (PEEP), the...
The role of the peripheral nervous system in the human body
By: Belinda Whitaker
The Peripheral Nervous System (PNS) is the body's internal messenger service. Its function is to carry information between the Central Nervous System and the rest of the body. While the Central Nervous System consists of the brain and the spinal cord, the PNS contains only...
What is laparoscopic surgery?
By: Norman Flynn
A laparoscopic gallbladder surgery is done with patient suffering with gallstone that formed, obstructing the flow of bile and leading to attacks that will cause severe agony and pain. With the invention of the laparoscopic process, the surgery can now be performed thru a couple...
What are ear tubes and how are they used in children?
By: Molly Froerer
Middle ear infections are a common ailment for young children, most often between ages six months and two years. Generally, ear infections clear up in a few weeks and some can be treated with antibiotics. However, when a child has recurrent or severe ear infections...
Knowing when to adjust mechanical ventilator settings in the ICU
By: Nicole Evans M.D.
“Knowing when to adjust mechanical ventilator settings” is the third article in a series of articles written to help medical students understand mechanical ventilation. If you already get the basics of mechanical ventilation (FiO2, PEEP, tidal volume, RR), please read on. If you do...
How to determine the initial settings for mechanical ventilation
By: Nicole Evans M.D.
Physicians who find themselves caring for a patient on mechanical ventilation must be familiar with ventilator function and settings. Altering various aspects of the mechanical ventilator will allow a physician to achieve the two basic goals of mechanical ventilation: 1. Control the oxygen and carbon...
Does Iridology Work
By: Bob Lloyd
Iridology is a form of treatment based on the assumption that the iris, that coloured part at the front of the eye, contains regions that map to the organs of the body, in such a way that changes detected in the iris demonstrate the condition...
The difference between mitochondrial DNA and nuclear DNA
By: John Traveler
On the face of it, any differences between mitochondrial (mtDNA) and nuclear (nDNA) are quite subtle and yet intriguingly blatant. Quite simply, the two substances are exactly the same stuff; nucleotides composed of the purine bases adenine and guanine paired with pyrimidine bases thymine and...
Surgery: Indications of post-op bleeding
By: John Green - 555922
Any surgical procedure comes with risks, including bleeding. Many factors play into the risk of bleeding post-operativley, including the severity, location, type, and planning of the surgery, and planning or pre-operative interventions. The risk of post-op bleeding goes down the better the pre-op planning is...
How to get approved for lap-band surgery
By: Rodolfo N. Lentejas, Jr.
Based on the statistics released by the World Health Organization (WHO) on obesity, it states that more than one billion adults around the world are suffering from excessive weight. Obesity tends to make a person insecure about his physical appearance, not to mention that it...

 

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