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Ventricular fibrillation (V-fib or VF) is an abnormal heart rhythm in which the ventricles of the heart quiver. [2] It is due to disorganized electrical activity. [2] Ventricular fibrillation results in cardiac arrest with loss of consciousness and no pulse. [1] This is followed by sudden cardiac death in the absence of treatment. [2]
Fibrillation also occurs with individual skeletal muscle fibers. [7] This happens when muscle fibers lose contact with their innervating axon producing a spontaneous action potential, "fibrillation potential" that results in the muscle fiber's contraction.
Initial signs of the condition include behavioral changes such as aggression, timidity, hiding, hyperesthesia, loss of motor functions, and polydipsia. [3] Other commonly observed motor signs include gait abnormalities and ataxia, which typically affect the hind legs first.
They may cause symptoms, sickness or the death of the animal. Some diseases are symptomatic in one cat but asymptomatic in others. Feline diseases are often opportunistic and tend to be more serious in cats that already have concurrent sicknesses. Some of these can be treated and the animal can have a complete recovery.
Ventricular tachycardia (V-tach or VT) is a cardiovascular disorder in which fast heart rate occurs in the ventricles of the heart. [3] Although a few seconds of VT may not result in permanent problems, longer periods are dangerous; and multiple episodes over a short period of time are referred to as an electrical storm.
Lentigo in cats is a common dermatological condition characterized by the presence of small, flat, brownish spots on the skin — particularly around the lips, nose, and eyelid margins. Unlike in ...
Although individuals with CPVT may not experience any symptoms, the most commonly reported symptoms are blackouts or sudden loss of consciousness, referred to as syncope. [1] These blackouts often occur during exercise or as a response to emotional stress—situations in which chemical messengers known as catecholamines , such as adrenaline ...
Cat cold symptoms. If your cat falls ill, you might notice signs similar to those you see in humans who have colds, including sneezing and nasal discharge. ... See photos of Times Square as ...