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.
Heart block may cause the following symptoms: 1  Chest pressure or pain. 2  Fainting, also known as syncope, or near-syncope. 3  Fatigue. 4  Lightheadedness or dizziness. 5  Palpitations, which can be skipping, fluttering or pounding in the chest. 6  Shortness of breath.