Confounding, Bias and Effect Modification
Confounding factors A confounding factor is a variable that is associated with both the outcome of interest and the exposure of interest. In this constellation, the exposure of interest appears (spuriously) to be associated with the outcome of interest, while in...
Sialolithiasis
Sialolithiasis is a condition where a calcified stone (sialolith) forms within a salivary gland. The salivary glands The salivary glands are exocrine glands that produce saliva and secrete it into the oral cavity. There are three main salivary glands and...
Muscle Relaxants for the MRCEM Exam
Neuromuscular blocking drugs used in anaesthesia are also known as muscle relaxants. By specific blockade of the neuromuscular junction, they enable light anaesthesia to be used with adequate relaxation of the muscles of the abdomen and diaphragm. They also relax the...
The Importance of a Good Night’s Sleep
“There is a time for many words, and there is also a time for sleep.” Homer, The Odyssey Pulling an ‘all-nighter’ On several occasions over the years, I have decided to ‘pull an all-nighter’ and stay up to study for an exam the following day. On some occasions, it...
