Truck Driving School Costs. The average length of PTDI-certified courses is four to six weeks, though courses may be as short as two weeks or as long as 12 weeks or more. The average cost of PTDI-certified courses is about $4,200, though the cost of truck driving school may be as low as $1,500 and as high as $10,000.
Orthopnea is the opposite of platypnea, shortness of breath that worsens when sitting or standing up.
Dyspnea is the feeling of an uncomfortable need to breathe. Shortness of breath is when the rate of respiration increases in order to meet the increased demand for oxygen by the body. Dyspnea is brought about by an interruption to the normal mechanism of breathing.