…an adjacent reference segment presumed to be relatively normal. This assumption may be incorrect when atherosclerosis is diffuse, leading to underestimation of the overall disease…

…sharp or stabbing. Its location and radiation may reflect the segment of aorta involved, although the source material does not provide a detailed symptom to…

…within the broader framework of guideline directed medical therapy and secondary prevention. PCI treats focal stenotic segments, whereas CABG provides a bypass beyond diseased segments…

Cardiology Myocardial ischemia and infarction Definition and pathophysiology Atherosclerosis is a chronic, inflammatory disease of the arterial wall in which lipid accumulation, vascular cell dysfunction…

…is: Continuous acute dizziness with spontaneous nystagmus: consider HINTS plus, but only if the examiner is trained. Brief attacks triggered by the position of the…

…clinical signs of herniation halt the puncture, and antibiotics and a corticosteroid are then given immediately after blood cultures. For questions other than acute meningitis…

…subclavian artery. Penetrating atherosclerotic ulcer PAU is focal ulceration of an atherosclerotic plaque that penetrates through the internal elastic lamina into the media. The lesion…

…related to high ventricular rates and the loss of the atrial kick. The rapid ventricular response can lead to a reversible depression of systolic function…

Cardiology Neurology Definition and Pathophysiology Carotid artery stenosis is an atherosclerotic narrowing of the carotid arteries. It forms part of multisite artery disease, defined as…

…messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines…

…90 percent of withdrawal seizures occur within 48 hours. Seizures later than this, focal seizures or status epilepticus should raise strong suspicion of another or…

…rate of treatment are determined by the affected organ function, not by the blood pressure figure alone [2]. A markedly raised blood pressure without acute…

…or an acute neurological deficit. Hypoglycaemia can cause hemiparesis, aphasia and radiological changes resembling ischaemic stroke. Glucose measurement is therefore always part of the initial…

…Myocardial ischemia and infarction Definition and pathophysiology Fractional flow reserve (FFR) is an invasive, lesion specific physiological index used to estimate the functional significance of…

…Oral treatment and prompt follow up Main risk of management Overtreatment may impair autoregulation and cause ischemia Acute rapid reduction may cause harm without prognostic…

…dissection (SCAD) is an acute coronary disorder caused by separation within the coronary arterial wall, usually through formation of an intramural haematoma that compresses the…