Page 94 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition

Cardiology Cardiology
e

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Tachycardia
Bradycardia

Abnormal activity Sinus tachycardia
Escape rhythm Sinus bradycardia

Supraventricular Ventricular Sympathetic Reactive

Junctional – Hypothyroidism
(AV node) escape rhythm Ventricular escape rhthym – Hypoadrenocorticism
(frequency in dog:
(frequency in dog: 20–60/min) – Training
60–80/min) (e.g. athlete's heart)
– Increased vagal tone
– AV reentrant – Ventricular – Stress
tachycardia tachycardia – Pain â Hypoxia
– Atrial fibrillation – Ventricular flutter p. 29
– Ventricular
– Sick sinus syndrome – Sinoatrial arrest fibrillation
– Sinoatrial pause – 3 degree AV block
rd
(intermittent)
– Sinoatrial arrest
(intermittent)

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