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.
Tachypnea â Tachypnea is the medical term used to define an elevated respiratory rate. This rapid respiratory rate is usually shallow, vs hyperpnea which can be rapid and deep. Dyspnea â Dyspnea refers to the sensation of shortness of breath, and can occur with an elevated, a normal, or a decreased respiratory rate.