What counts as oily fish? All the fish listed in the oily fish column count as part of the recommended weekly allowance when they are fresh, canned or frozen. Tuna only counts as an oily fish when it is fresh. This is because when it is canned the omega 3 oil levels are reduced to similar levels to that of white fish, so although canned tuna is a healthy option it doesnât have the same health benefits as fresh oily fish.
The Certified Respiratory Therapist (CRT) and the Registered Respiratory Therapist (RRT). The CRT is the certification given after successfully passing the entry-level examination NBRC-ELE; The RRT certification is given after first becoming a CRT and then passing the NBRC-WRE and NBRC-CSE.
In cardiology, the QT interval is a measure of the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle.The QT interval represents electrical depolarization and repolarization of the ventricles.ike the R-R interval, the QT interval is dependent on the heart rate in an obvious way (the faster the heart rate the shorter the R-R Interval and QT interval) and may be adjusted to improve the detection of patients at increased risk of ventricular arrhythmia.