Orchitis

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Diagnosis To diagnose orchitis, your healthcare professional begins by reviewing your medical history and conducting a physical examination. The exam typically checks for enlarged lymph nodes in the groin area and an enlarged testicle on the affected side. A rectal exam may also be performed to assess prostate enlargement or tenderness. Tests that may be used to confirm the diagnosis …

Optic Neuritis

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Diagnosis Optic neuritis is typically diagnosed by an ophthalmologist based on your medical history and a comprehensive eye examination. The goal is to determine whether inflammation of the optic nerve is present and to rule out other possible causes of vision loss. Common diagnostic steps and tests include: Routine eye exam: This includes checking vision sharpness, color perception, and side …

Oligodendroglioma

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Diagnosis Diagnosing oligodendroglioma involves several steps to determine the type, grade, and location of the tumor. Your healthcare team uses neurological exams, imaging tests, and tissue analysis to confirm the diagnosis and plan treatment. A neurological exam is the first step. During this exam, your healthcare provider asks about your symptoms and checks your vision, hearing, balance, coordination, strength, and …

Ovarian Hyperstimulation Syndrome

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Diagnosis Diagnosis of ovarian hyperstimulation syndrome (OHSS) is based on a combination of physical examination, imaging, and laboratory tests. Your healthcare provider will assess your symptoms and perform the following evaluations: Physical exam: The provider checks for signs such as weight gain, abdominal swelling, and pain. Ultrasound: An ultrasound scan may reveal enlarged ovaries with multiple fluid-filled cysts where follicles …

Oppositional Defiant Disorder (ODD)

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Diagnosis Diagnosing oppositional defiant disorder (ODD) involves a detailed psychological evaluation by a qualified mental health professional. Because ODD often occurs alongside other behavioral or mental health conditions, such as ADHD, anxiety, or depression, it can be challenging to determine which symptoms belong to ODD and which are linked to other issues. The assessment typically includes: Evaluating the child’s overall …

Ocular Rosacea

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Diagnosis Ocular rosacea is often diagnosed based on your symptoms, medical history, and a physical examination of your eyes and eyelids. Because its symptoms can resemble other eye conditions, such as blepharitis or dry eye syndrome, diagnosis can sometimes be challenging. Your eye doctor may: Examine your eyes using a slit lamp microscope to check for redness, swelling, and visible …

Pediatric Obstructive Sleep Apnea

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Diagnosis Diagnosis of pediatric obstructive sleep apnea begins with a review of your child’s symptoms and health history, followed by a physical exam. The healthcare professional often examines your child’s head, neck, nose, mouth, and tongue to identify potential causes of airway obstruction. The main test for pediatric sleep apnea is a polysomnogram, an overnight sleep study. During this test, …

Obstructive Sleep Apnea

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Diagnosis A healthcare professional evaluates your condition based on your symptoms, a physical exam, and specific sleep tests. In many cases, you may be referred to a sleep specialist for further evaluation. The physical exam includes checking the back of your throat, mouth, and nose for abnormalities. Measurements of your neck and waist circumference are often taken, and your blood …

Obsessive-Compulsive Disorder (OCD)

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Diagnosis Diagnosing obsessive-compulsive disorder (OCD) involves evaluating both psychological and physical health to rule out other possible causes of symptoms. Steps that help confirm a diagnosis include: Psychological evaluation to discuss your thoughts, feelings, and behavior patterns. This helps determine if obsessions or compulsions interfere with your quality of life. With permission, family or friends may also be interviewed. Physical …

Obesity

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Diagnosis To diagnose obesity, your health care professional may perform a physical exam and recommend several tests. These help identify possible causes, related health conditions, and the best treatment plan for you. Common evaluations include: Taking your health history to review weight changes, diet, exercise, and family health background. Conducting a general physical exam, which includes checking your height, weight, …