CLINICAL CARDIOLOGY CONCEPTS
for the dog and cat
Michael R. O'Grady,
DVM, MSc, Diplomate ACVIM (Cardiology)
M. Lynne O'Sullivan, DVM, DVSc, Diplomate ACVIM (Cardiology)
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Vasodilators
|
|
Amlodipine
|
Dog |
2.5 mg/dog or 0.1 mg/kg SID (PO) |
Hypotension |
| Cat |
0.625 mg/cat SID (PO) to max of 1.25 mg /cat SID (PO) |
|
Benazepril
|
Dog |
0.5 mg/kg SID - BID (PO) |
As for Captopril |
| Cat |
0.5 mg/kg SID (PO) |
|
Captopril
|
Dog |
0.5-2.0 mg/kg TID (PO), do not exceed 2.0 mg/kg |
Hypotension, GI, hyperkalemia |
| Cat |
3-6.25 mg BID-TID (PO) |
|
Enalapri
|
Dog |
0.5 mg/kg SID-BID (PO |
As for Captopril |
| Cat |
0.25-0.5 mg/kg QOD (PO) |
|
Hydralazine
|
Dog |
0.5-3 mg/kg BID (PO). IV dosages not determined |
Hypotension, tachycardia, syncope, sodium retention, GI signs. Rebound increases in renin-angiotensin- aldosterone can be expected. |
| Cat |
2.5 mg/kg BID (PO) |
|
Isorbide dinitrate
|
Dog |
0.22-1.1 mg/kg BID-TID (PO) |
Hypotension, especially if combined with diuretics |
| Cat |
undetermined |
|
Lisinopril
|
Dog |
0.5 mg/kg SID-BID (PO) |
As for Captopril |
| Cat |
unknown |
|
Morphine
|
Dog |
0.5-1.0 mg/kg (SQ, IM) prn
0.05-0.1 mg/kg IV q2-3 min to effect |
Respiratory depression, GI, sedation |
| Cat |
0.1 mg/kg (SQ, IM) |
|
Na Nitroprusside
|
Dog |
1-5 ug/kg/min (CRI) |
Profound hypotension, cyanide and thiocyanate toxicity |
| Cat |
1-2 ug/kg/min (CRI) |
|
Nitroglycerine Ointment 2%
|
Dog |
1/4 in./5kg TID-QID (topically) |
Hypotension, especially if combined with diuretics; rash; wear gloves to apply |
| Cat |
1/8-1/4 in. TID (topically) |
|
Prazosin
|
Dog |
< 15 kg: up to 1 mg TID (PO).
> 15 kg: up to 2 mg TID (PO) |
Hypotension, syncope, urinary incontinence |
| Cat |
up to 1 mg TID (PO) |
|
Ramipril
|
Dog |
0.250 mg/kg SID (PO) |
As for Captopril |
| Cat |
0.125 mg/kg SID (PO) |
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Sildenafil
|
Dog |
0.5 - 2.0 mg/kg BID PO |
|
| Cat |
Unknown |