Tag Archives: Levothyroxine

Supraventricutar tachydysrhythmias

Sinus tachycardia (heart rates greater than 160-180 bpm in the dog and 240 bpm in the cat respectively) can occur in response to pain> fright, fever, anaemia, circulatory shock and hyperthyroidism, all states where sympathetic tone to the heart increases and as a result, the rate of impulse generation and conduction is enhanced. Drugs such… Read More »