…of a fine needle, and collapsed veins mean that the fine needle is in addition the only one that will go in. The rule that…

…a change in behaviour, collapse or an acute neurological deficit. Hypoglycaemia can cause hemiparesis, aphasia and radiological changes resembling ischaemic stroke. Glucose measurement is therefore…

…It is uncommon for chronic pericardial effusions to cause sudden cardiac arrest since these cases tend to be recognized and managed before circulatory collapse occurs…

…but not in itself anaphylaxis. The patient must nonetheless be observed, since the reaction can progress. Practical grading There are several grading systems, and no…

… it does not exclude Diastolic collapse of the right atrium and right ventricle The cardinal echocardiographic finding A dilated inferior vena cava without respiratory variation…

…cycles of gradually increasing PR interval until an atrial impulse (P wave) is blocked in the atrioventricular node and the QRS complex does not appear…

…it may precede haemodynamic collapse. Clinical risk scores Validated clinical tools, including the Pulmonary Embolism Severity Index (PESI), its simplified form, and the Hestia criteria…

…presenting as cardiovascular collapse and cardiac arrest. Evaluation and Physical Examination The source material does not provide specific details regarding the physical examination or general…

…their clinical spectrum ranges from transient arrhythmias and minor access site bleeding to myocardial infarction, stroke, coronary perforation, haemodynamic collapse, acute kidney injury, and death…

…not severely obstructed. Exclusion of coronary dissection compromising the true lumen. Assessment for thrombus, distal embolization, abrupt closure, or perforation. Evaluation of distal flow and…