…combination with single photon emission computed tomography (SPECT) or positron emission tomography (PET) to assess myocardial perfusion and blood flow. These imaging modalities are highly…

…gamma cameras to create tomographic images of the left ventricle. In PET (Positron Emission Tomography), radiotracers emit positrons. When a positron collides with an electron…

…Myocardial perfusion imaging (MPI) with single photon emission computed tomography (SPECT) or positron emission tomography (PET) is a radionuclide based method for assessing regional myocardial…

…cardiac computed tomography (CT), single photon emission computed tomography (SPECT), positron emission computed tomography (PET) and coronary angiography. These modalities aim to image the myocardium…

…recovery of ejection fraction, and survival has been challenged by randomized trials. Relationship between viability and LV recovery Observational studies and positron emission tomography (PET…

Procedurer The insertion itself is rarely the difficult part — it is the confirmation of the position that determines whether the tube is safe. A misplaced…

…pulses. Each pulse consists of a few sound waves emitted in 1 to 2 milliseconds. These sound waves travel through the skin, chest, pericardium, myocardium…

…oxygenation despite maximal oxygen or non invasive ventilation. Inadequate ventilation with a rising pCO₂ and respiratory acidosis, or a markedly increased work of breathing with…

…from a previous value of at least 50%. A patient with persistently mildly reduced systolic function. This dynamic nature makes prior imaging particularly important when…

…tip, using the thumb and the forefinger, while remaining fingers stabilize the grip. The transducer tends to glide out of position due to the gel…