Elements

A man who had chunk of his skull removed after a balcony fall says he feels good after his head was "fixed".  

From the antiseptic routine of the wards to the thrill of a roadside rescue, we can't seem to get enough of medical documentaries. Andrew Collins dissects our enduring fascination  

Naked Scientists - 18th Aug 2012 - The Hydrogen Economy: Fuelling the Future  

In clear and accessible language, Professor David Nutt’s Drugs Without the Hot Air argues the case for an evidence-based approach, challenging elements of drug policy and myths on the relative harms of legal and illegal drugs.  

This tutorial is an overview of the general anatomy of the eye. It covers the most important elements of the eyeball. For more entirely FREE tutorials and th...  

Most hospitals have not put in place some of the fundamental elements needed to help ensure a “good” death for patients, such as seven day access to specialist palliative care and mandatory training for staff caring for dying patients, an audit led by the Royal College of Physicians has found.  

“Kayser-Fleischer ring: Kayser-Fleischer ring (arrow) in a patient with advanced neuropsychiatric Wilson disease. The dense brown copper deposits encircle…”  

This tutorial is an overview of the general anatomy of the eye. It covers the most important elements of the eyeball. For more entirely FREE tutorials and th...  

Todar's Online Textbook of Bacteriology chapters on bacteriology, microbes in the environment, cycles of elements, bacterial structure, bacterial nutrition, bacterial growth, bacterial metabolism, bacteria and archaea, normal flora, bacterial pathogens, bacterial toxins, endotoxin, antibiotics, antibiotic resistance, staphylococci and MRSA, streptococcus, pneumonia, anthrax, E. coli, cholera, Salmonella, Pseudomonas, Shigella, gonorrhea, meningococcal meningitis, botulism and tetanus hib meningitis, Listeria, whooping cough, B. cereus food poisoning, tuberculosis, diphtheria, Rocky Mountain spotted fever, Lyme disease, Vibrio vulnificus, Bacillus, lactic acid bacteria.  

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From Guyton - Medical Physiology Low calcium ions level is claimed to cause "tetany" due to the theory stating that calcium ions bind to the exterior surfaces of the sodium channel protein (voltage-gated Na+ channel) molecule and because of their positive charges, they alter the electrical state of the channel protein itself, altering the voltage level required to open the sodium gate, i.e., presence of Ca++ causes an increase in the threshold potential. What about high calcium level then? Does it cause tetany? If it does, what is the mechanism behind it?