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.
PND or Paroxysmal Nocturnal Dyspnea is commonly referred to as cardiac asthma. It's characterized by sudden and severe shortness of breath at night that can wake a person up can cause coughing and wheezing. PND is a sign of congestive heart failure and often strikes one or two hours after the person with heart failure has fallen asleep. Specifically, dyspnea, refers to the sensation of difficult or uncomfortable breathing,according to the National Center for Biotechnonoly Information.