…circulatory flow arrest. No flow time : The duration (minutes) from circulatory collapse to initiation of CPR. During no flow there is no cerebral perfusion and…

…simple and validated marker of perfusion Lactate < 1.6 mmol/L Clearance over time is more informative than a single value Urine output 0…

…or saturation below target despite oxygen Severe impairment of gas exchange Hypotension, cool peripheries or rising lactate Circulatory compromise or an alternative diagnosis Silent or…

…resistance, and restore adequate end organ perfusion. Dobutamine is a synthetic catecholamine that functions as an agonist of both beta1 and beta2 adrenergic receptors, with…

Critical care Myocardial ischemia and infarction Definition and Pathophysiology Cardiogenic shock is a state of inadequate tissue and end organ perfusion caused by cardiac insufficiency…

…80–85 mmHg in chronic hypertension or when there are signs of inadequate perfusion Urine output 0.5 mL/kg/h Lactate Falling A clearance…

…stage renal failure Consider renal replacement therapy Hypoperfusion with persistent organ injury Consider mechanical circulatory support Refractory advanced disease Consider palliative care Right ventricular failure…

…person may have some circulation despite circulatory collapse (e.g., with sustained ventricular tachycardia). Experimental and clinical understanding of hypoxic neuronal cell death stems largely…

…Give small boluses, for example 250 to 500 mL, with immediate reassessment of the blood pressure, pulse, peripheral perfusion, mental state and chest findings. Avoid

Cardiology Interpreting myocardial perfusion SPECT images involves a systematic comparison of rest and stress images to assess myocardial ischemia and infarction. The key steps in…