Pulmonary hypertension (PHT) is present when mean pulmonary artery pressure exceeds 25 mm Hg at rest or 30 mm Hg with exercise. Primary PHT is a relatively rare idiopathic condition; Secondary PHT is usually due to cardiac or respiratory cause
A ferocious spider lives in the brain. His name is Willis!
Sidney Weinstein (1922 - 2010) was and American neuroscientist and neuropsychologist. Semmes-Weinstein monofilament test and the Weinstein Enhanced Sensory Test
Haematuria in trauma may be microscopic (with or without symptoms) or macroscopic. In general, the greater the degree of hematuria the greater the risk of significant intra-abdominal injury (including non-urinary tract structures)
Increased Intracranial Pressure in TBI; normal ICP 7-15mmHg
sustained increases > 20mmHg is associated with ischaemic brain injury
Extradural ICP monitor: ICP monitoring; catheter inserted though a burr hole but does not penetrate the dura
Codman ICP Monitor: intracranial pressure monitor (aka 'BOLT')
Robert Meyer (1864-1947) was a gynaecologist and pathologist. Eponymously affiliated with the Weigert-Meyer rule he described in 1907. Meyer was recognised world wide as one of the founders of gynaecological pathology and for his contributions to embryology.
Ideal helicopter ventilator
Lithium: acute overdose is usually benign if adequate hydration is maintained and renal function is normal; chronic toxicity can be difficult to manage and result in devastating neurotoxicity
The Monro-Kellie doctrine or hypothesis states that the sum of volumes of brain, cerebrospinal fluid (CSF) and intracerebral blood is constant. An increase in one should cause a reciprocal decrease in either one or both of the remaining two.
Pierre Eugène Ménétrier (1859 – 1935) was a French surgeon, oncologist and pathologist. Eponymously affiliated with Maladie de Ménétrier (1888)