CPR The forces that drive coronary and cerebral perfusion, and ventilation of the lungs during cardiopulmonary resuscitation (CPR) differ substantially from normal circumstances. The purpose…

…a brisk reflex), whereas low light causes dilation. This reflex is highly sensitive to brainstem integrity and cerebral perfusion. During cardiac arrest, circulation to the…

…there is no cerebral perfusion, with an equal degree of hypoxia in all neurons. There is one fundamental difference between neurons and myocardium in the…

…The brain adapts to prolonged hypotonicity by extruding electrolytes and organic osmolytes. This adaptation reduces the cerebral oedema but makes the brain sensitive to a…

…cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke. The risk associated with asymptomatic disease depends substantially on stenosis severity and…

…rapid a normalisation can therefore cause cerebral, coronary or renal ischaemia. Neurological status, urine output, creatinine, acid–base status and signs of myocardial ischaemia must…

…oral treatment and ensure follow up. Rapid lowering can worsen cerebral, coronary and renal perfusion, particularly in patients with long standing hypertension and a rightward…

…traumatic brain injury Cerebral perfusion pressure (CPP) 60–70 mmHg CPP = MAP − ICP RASS −2 to 0 Lightly sedated to awake and calm CAM…

…dose : 0.5 3.0 μg/kg/min + + + +++++ Low dose dopamine stimulates D1 receptors and induces vasodilation in coronary, renal, cerebral and mesenteric vessels…

Nitroglycerin Patients using nitroglycerin regularly may have developed tolerance and require higher doses, alternatively nitroprusside to achieve desirable blood pressure lowring effect. Drug Nitroglycerin Brand…