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.
Breathlessness when lying down flat is known as orthopnea and patients will report relief upon sitting or standing up. Paroxysmal nocturnal dyspnea (PND) is shortness of breath that occurs at night while asleep and awakens a person sometimes with gasping and choking. Like orthopnea, PND is often relived by sitting up.