Brainstem lesions
4 more scenarios for Peter Gates Brainstem Rule of 4. Neurological lesion identification and neuro examination quiz
Category Medical Specialty
More brainstem lesions
4 more scenarios for Peter Gates Brainstem Rule of 4. Neurological lesion identification and neuro examination quiz
Refractory Shock in Trauma
Refractory shock in trauma is still most likely due to occult ongoing haemorrhage; shock may be due to the underlying cause of trauma e.g. MI leading to car crash
Paediatric Trauma Patient
Apply ATLS/APLS protocol: primary survey to exclude life-threatening injuries, secondary survey, re-evaluation and definitive care.
HIV brain mass
Consider a 45 year-old HIV positive male with right hemiparesis and fluctuating conscious state. His CT head is shown below.
Cyanide Poisoning
Cyanide is a potentially lethal toxic agent that can be found in liquid and gaseous form. First discovered in 1786 by Scheele, who extracted it from the dye Prussian blue - and promptly died from exposure to the vapours
Serious Generalised Skin Disorders
Serious Generalised Skin Disorders: Mnemonic: PTSD-D
Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis
= immune complex mediated hypersensitivity -> severe erythema multiforme. Separation of the epidermis from the dermis; most authors believe toxic epidermal necrolysis (TEN) and SJS are different ends of the same spectrum of disease
Purpura Fulminans
CAUSES Meningococcal disease Post-splenectomy pneumococcaemia DIC Rickettsial infections High dose inotropes Endocarditis Venom-induced consumptive coagulopathy (VICC) due to snakebite
Coma-like Syndromes
Coma-like Syndromes
Acute Aortic Dissection
Acute Aortic Dissection: the most common catastrophe of the aorta (3:100,000); 3 times more common than abdominal aortic aneurysm (AAA) rupture
Venous Return and Shock
This page is under construction OVERVIEW “Obviously, except under momentary conditions the venous return and the cardiac output must be equal.” — Arthur Guyton STARLING’S LAW By raising or lowering an artificial venous reservoir, Starling showed that increased right atrial…