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A unilateral decrease in visual acuity is the most common symptom of toxoplasmic retinitis. Under ophthalmic examination, toxoplasmic chorioretinitis classically appears as a focal, white retinitis with overlying moderate inflammation of the vitreous humour.
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.
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]
A major rule-out for C. felis is Mycoplasma haemofelis (formerly known as Haemobartonella felis); clinical signs can be similar to cytauxzoonosis and the organism may be confused on the peripheral smear. [4] Because it causes similar signs in outdoor cats during the spring and summer, tularemia is another disease the veterinarian may want to ...
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.
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-eye syndrome (CES) or Schmid–Fraccaro syndrome is a rare condition caused by an abnormal extra chromosome, i.e. a small supernumerary marker chromosome. [2] This chromosome consists of the entire short arm and a small section of the long arm of chromosome 22 .
Signs and symptoms are not mutually exclusive, for example a subjective feeling of fever can be noted as sign by using a thermometer that registers a high reading. [10] The CDC lists various diseases by their signs and symptoms such as for measles which includes a high fever , conjunctivitis , and cough , followed a few days later by the ...