Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to diagnose hypertension in cats [title] Be aware that hypertension in cats may be present without symptoms. [step] Hypertension can be " silent ", which means the cat shows no symptoms. [substeps] However, the higher the blood pressure the greater the risk of a sudden deterioration in the cat's health, as a result of a stroke or blindness.

Ending1: Hypertension in a cat (which usually presents with symptoms such as massive difficulty breathing or nervousness) is generally considered to be an undiagnosed diagnosis and concern. [title] Make sure the cat has its food, water, and grooming routine worked out. Ending2: High blood pressure in cats can also lead to skin problems related to aging. [title] Listen to the cat to see if it makes a " ticking " noise or a " nicker " noise. Ending3: [title] Have your cat examined by a vet. [step] Ultrasounds and x-rays found in a cat's blood also affect their immune function, and can be crucial to diagnosis hypertension. Ending4: Hence the importance of regular monitoring at your vet clinic, in order to detect hypertension before it causes problems. [title] Watch the cat to see if it is walking in a " drunken " manner.

Answer format: ending1/ending2/ending3/ending4