Hi I have a question about my dog. About 2 weeks ago my dog was admitted for an overnight stay at an emergency vet for an SVT. He had a series of x rays done and then he followed up with the cardiologist last Wednesday. They r/o CHF, heart disease
and DCM at the time. In the hospital they had him on an IV infusion for diltiziam which brought his heart rate down to about 230 from over 300. At his follow up with the cardiologist last Wed his heart rate was at about 180, but she increased the dose of medication because his heart rate should be at about 100. He is a French Mastiff
/ Dogue de Bordeaux
Tonight I took him back to the ER because since last night I noticed he appeared to have labored breathing and he is making a weird nasally sound when he breaths through his nose
. I voiced these concerns at the hospital. It turns out his heart rate is back up to 250, and they advised me to keep him overnight, but I don't have another 1600 for a hospital stay another set of x rays. The vet contradicted himself saying he might be in heart failure but the cardiologist there just took a series of tests 2 weeks ago ruling major heart issues out. He just has this SVT.
He seems to have gotten worse on Monday with his latest increase because the dr wanted me to bump his meds up. He is on a heart med called diltiziam the extended release 240 MG every 12 hours. In addition he takes the slow release tabs every 8 hours which is 60 MG now in addition to the 240. The vet tonight wants me to bump the slower acting diltiziam to 90 every 8 hours.
He's eating and acting fine but he seems to be struggling with breathing on and off. Could someone tell me if the medication could cause this or is this a separate issue. I noticed a few days ago he was sneezing
a little but it stopped and now his nose seems clogged when he's trying to breath on top of the SVT.