My husband is confused, is tired, normal BP, elevated pulse rate (112) and pulse is erratic.  Has been diagnosed in the past with COPD - does not have difficulty breathing.  Over the past several months , he has experienced several of these episodes where his speech is slurred and has difficulty walking.  He is 64 years old today.  We got ready to go for a bicycle ride and he is apparently having another episode.  I can always anticipate that he will be okay the next morning after 10-12 hours of sleeping.
Hello ! I read your question and understand your concern. In my opinion the problems of your husband may be related to a low blood flow to the brain, causing Transient Ischemic Attacks. These events may be related to the heart, as you refer that he has elevated pulse rate, erratic, which may be atrial fibrillation. Repeated TIA lead to high risk of stroke if not treated. I would recommend consulting a cardiologist, and have an ECG and an ECG 24 hours monitoring and a cardiac ultrasound to see the heart output. He may need anticoagulation if FA, due to high risk stroke. A brain MRI and a neurologic examination would be helpful. I would also recommend and EEG, as these signs may be also caused by epilepsy. Hope to have been helpful! Best wishes, 