Procedurer The single most important step in any eye injury is to measure and document the visual acuity before anything else is done. The second…

Procedurer The laryngeal mask is the single most important tool when intubation fails, since it restores oxygenation without requiring a view down into the larynx…

Cardiology SPECT vs. PET In SPECT (Single Photon Emission Computed Tomography), radiotracers emit gamma photons directly. These gamma rays are detected by gamma cameras to…

Referensvärden A diagnosis of hypertension is not made on a single reading. It requires repeated measurements on at least two occasions, and preferably confirmation by…

[calc_map] Mean arterial pressure (MAP) represents the average pressure within the arteries throughout a single cardiac cycle, encompassing both systole and diastole. It is…

…Myocardial ischemia and infarction Definition and Clinical Purpose Myocardial perfusion imaging (MPI) with single photon emission computed tomography (SPECT) or positron emission tomography (PET) is…

…acute hypertension mediated organ damage or not? A single blood pressure value does not define a hypertensive emergency. Even a blood pressure above 220/120…

…ECG 2 . Spontaneous termination of ventricular tachycardia (VT). ECG 3 . A single ventricular beat, followed by a three ventricular beats (VT). ECG 4 . Regular supraventricular…

…the bedside. The check against the patient's own identity immediately before transfusion is the single most important safety measure in the entire chain. In…

…simple — bicarbonate and a look at the urine dipstick — but it fails routinely for one single reason: without normal potassium the urine cannot be alkalinised…