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I understand your concern.
Speech and swallowing issues resulting from cerebral hemorrhages are highly complex. Therefore, it would be difficult to advise on a specific treatment without a thorough speech-language evaluation. First, if swallowing and fast speech rates continue, I suggest you ask your primary physician for a referral for a swallow study and speech evaluation.
Regarding exercises to help with speech rate, the evidence does not support oral practices for this purpose. However, I can offer suggestions to perhaps aid in more excellent intelligibility. Have the patient read a short passage and record his voice. Then, playback and see if he can verbally repeat what he hears. Establish a cueing system between the patient and primary conversation partners, including visual, tactile, and verbal cues such as moving a hand down, touching the hand, and "slower, please" lines should be simple and discussed ahead of time. Practice describing pictures or playing using short sentences of four to five words. As rate and intelligibility improve for short sentences, increase the number of words and strings of sentences.
Regarding swallowing, Does the patient have problems with liquid? Solids? Aspiration? Swallow paralysis? I need more information before giving recommendations.
Investigations to be done:
The investigations to be done are barium swallow study and speech-language evaluation.