More subtly, a substantial change in the QTc interval within the normal range (e.g., from 0.34 to 0.43 sec) may be a very early warning of progressive QT prolongation due to one of the factors below. Many factors can abnormally prolong the QT interval (Fig. 3.9). For example, ...
Monitoring biophysical signals such as body or organ movements and other physical phenomena is necessary for patient rehabilitation. However, stretchable flexible pressure sensors with high sensitivity and a broad range that can meet these requirements a
It seems almost impossible that I'm writing my last column before summer break. This year, the mayhem of May is tinged with grief, as we drive past the ribbon-bearing trees on the way to Little League games and graduation parties. I'm torn between celebrating the year-end achievements of...
A typical stimulator has a constant current source and is capable of pacing at a wide range of CLs and variable current strengths (0.1 to 10 mA) and pulse widths (0.1 to 10 milliseconds). Additionally, current stimulators have at least two different channels of stimulation (preferably four)...
(Fig.7c). The normalized mean range is between 0 (pulmonary artery peak) and 1 (aorta), and physiologically, we would expect it to be somewhat higher than 0.5 due to arterial inflow from the aorta to the pulmonary circulation. In the dynamic contrast series, we also noted that there was...
(in the mm range) and rigid form factor, the ImPULS is much smaller yet still capable of precise and potent simulation. Furthermore, as glial scar tissue forms in response to the implant, the acoustic properties of the encapsulating tissue change negligibly. Therefore, it retains desirable ...
The patient reported was an adult diagnosed with polysplenia syndrome with a structurally normal heart and CHB. Patients of polysplenia syndrome with structurally normal heart presenting with isolated conduction disorder is a very unusual and rare occurrence [5]. In patient...
Fill in the blanks. Usually, the atrial rate is constant between ___ and ___ beats per minute while the ventricular rate is in the normal range. Fill in the blank: Normally, the ST segment on an ECG measures ___ second or less. How...
Continuous variables with a normal distribution were expressed as the mean ± standard deviation (SD), Continuous variables with a non-normal distribution were expressed as the median (inter- quartile range), and categorical variables were expressed as the counts and proportions. Paired-t test ...
The intensity of the two pulses is the conditioning stimulus intensity (CSI) and the testing intensity. The interval between the two pulses is defined as the interstimulus interval (ISI). There are several paired-pulse TMS protocols that have been widely adopted in neuromodulation, neuroscience, ...