Required Documents for a CDL. You will need to take the originals of all these required documents: Out-of-state CDL or New Mexico driver license. Proof of Identification number. Commercial Driver Medical Certificate and/or any medical waiver issued; Proof of identity (including date of birth),
Heart block typically causes lightheadedness, fainting, and palpitations. Depending on the severity of the heart block, this can be dangerous. For example, a third-degree heart block can worsen pre-existing conditions, such as heart failure. It can cause loss of consciousness and even sudden cardiac arrest. There can also be chest pain.
If you have heart block that you werenât born with, doctors call it âacquiredâ heart block. Itâs the most common type. Causes include: Certain types of surgery that affect the heartâs electrical system; Changes in your genes; Damage from a heart attack; Heart issues like clogged arteries, inflammation of the heart muscle, and heart failure