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When Does an Injury or Cough Call for an X-Ray? Reading the Body-Area Guide, the Five Preparation Steps and the Sample Visit Timeline

Not sure if your injury or cough needs an X-ray? Learn what X-rays show, how much radiation is involved, when to go to the ER instead and how to prepare for your visit.

Medically reviewed by City Prime Care Administrator9 min read

Illustration of a chest X-ray film on a light box beside a stethoscope
Table of contents
  1. 1. Why X-Rays Are Still a First-Line Test
  2. 2. What an X-Ray Can and Cannot Show
  3. 3. Common Reasons for an X-Ray by Body Area
  4. 4. When to Go to the ER Instead
  5. 5. How Much Radiation Is Involved
  6. 6. Five Steps to Prepare
  7. 7. What Happens During the Visit
  8. 8. Getting Your Results
  9. 9. A Sample X-Ray Visit Timeline
  10. 10. Questions to Ask Before You Go
  11. Conclusion
  12. Frequently Asked Questions
  13. See a Doctor in Elmhurst or Chinatown

Pain after a fall, a cough that will not clear, or a swollen ankle that will not bear weight all raise the same question: is something broken, or is it just a bad sprain or infection? An X-ray is often the fastest way to find out. It is quick, painless and widely available, and it shows bones and many lung problems clearly.

This guide explains when an X-ray is useful, what it can and cannot show, how much radiation is involved, how to prepare and what a typical visit looks like. It draws on patient information from RadiologyInfo.org, which is run by radiology societies, and on MedlinePlus. Availability of on-site imaging can differ, so ask City Prime Care whether your X-ray is done at the Elmhurst clinic or arranged by referral. This is general education, not personal medical advice. You can also find the clinic on Google.

In this article:

  • 1. Why X-rays are still a first-line test
  • 2. What an X-ray can and cannot show (table)
  • 3. Common reasons by body area (table)
  • 4. When to go to the ER instead
  • 5. How much radiation is involved (graph)
  • 6. Five steps to prepare
  • 7. What happens during the visit
  • 8. Getting your results (table)
  • 9. A sample X-ray visit timeline
  • 10. Questions to ask before you go

1. Why X-Rays Are Still a First-Line Test

X-rays use a small, controlled amount of radiation to make a picture of the inside of the body. Dense tissue such as bone absorbs more radiation and shows up white, while air in the lungs shows up dark. That contrast is why X-rays remain the usual first test for suspected fractures, chest infections and many joint problems.

An X-ray is only one tool. Your clinician decides whether you need one after asking about your symptoms and examining you. Our guide to the services of the Elmhurst primary care clinic shows how imaging fits with exams, labs and referrals.

2. What an X-Ray Can and Cannot Show

X-ray shows wellX-ray shows less wellOften needs another test
Broken bones and dislocationsLigament and tendon tearsMRI for soft tissue injury
Pneumonia and fluid in the lungsSmall lung nodulesCT scan for detail
Joint arthritis changesEarly or tiny stress fracturesRepeat X-ray or MRI
Some swallowed or embedded objectsDisc problems in the spineMRI or specialist review
Bone alignment after a fractureInternal organ injuryUltrasound or CT

3. Common Reasons for an X-Ray by Body Area

Body areaTypical reasonsOften paired with
Hand, wrist, armFall on an outstretched hand, swelling, deformitySplint or cast, follow-up with a bone specialist if broken
Ankle, foot, toeTwisting injury, cannot bear weight, pain over boneBrace, boot or crutches; rest and elevation
Knee, hip, legFall, joint pain, limping, long-term arthritisPhysical therapy or specialist referral
ChestCough, fever, chest tightness, shortness of breathLab tests, breathing check, antibiotics if bacterial pneumonia
Spine and neckPain after an injury, persistent back painExam for nerve symptoms; MRI if needed
RibsPain on breathing after a blow or fallPain control and breathing exercises

For breathing problems that keep returning, see our guide on keeping asthma under control through every season in Queens.

4. When to Go to the ER Instead

Some problems should not wait for a clinic visit. Call 911 or go to the nearest emergency room for:

  • Chest pain or pressure, or severe trouble breathing
  • A bone pushing through the skin, or a limb that looks badly out of shape
  • Heavy bleeding that does not stop with pressure
  • A head, neck or back injury with confusion, weakness, numbness or loss of consciousness
  • A serious fall, car crash or other major trauma

For heart attack warning signs, see the American Heart Association.

5. How Much Radiation Is Involved

Radiation amounts are measured in millisieverts (mSv). For comparison, people in the United States receive about 3 mSv a year from natural background sources such as soil, air and cosmic rays. The figures below are approximate, taken from RadiologyInfo.org, and each block is about 0.5 mSv.

SourceApproximate dose (graph)Roughly equals
X-ray of hand, wrist or footless than 0.01 mSvA few hours of background radiation
Chest X-ray█ 0.1 mSvAbout 10 days of background radiation
Mammogram█ 0.4 mSvAbout 7 weeks of background radiation
Natural background, one year██████ 3 mSvOne year
CT scan of the chest██████████████ 7 mSvAbout 2 years

A single X-ray adds very little to your lifetime exposure, and your clinician orders one only when the benefit outweighs the small risk. See RadiologyInfo.org on X-ray safety.

6. Five Steps to Prepare

Preparing takes a few minutes:

  1. Tell the clinic about the injury or symptoms when you book, so the right images are planned.
  2. Bring your photo ID, insurance card and any earlier images or reports.
  3. Wear loose clothing without metal, or be ready to change into a gown.
  4. Remove jewelry, belts, hearing aids and anything metal near the area.
  5. Tell the staff if you are or might be pregnant, and about any implants or devices.

7. What Happens During the Visit

A typical visit follows this order:

  1. Check in and describe your symptoms; a clinician examines you first.
  2. Move to the X-ray room and position the injured or affected area.
  3. Hold still, and sometimes hold your breath, for each image.
  4. Several views may be taken from different angles.
  5. Wait for the images to be reviewed, and discuss next steps before you leave.

8. Getting Your Results

StageWhat happensWhat to ask
Preliminary reviewThe treating clinician looks at the imagesIs anything urgent, such as a fracture?
Radiologist reportA radiologist writes the formal reportWhen will the final report be ready?
Follow-upTreatment, repeat X-ray or another testDo I need a specialist or a referral?
Record keepingImages and report stored in your chartCan I get a copy for another doctor?

Referrals for MRI, CT or specialist care can be arranged through referral services.

9. A Sample X-Ray Visit Timeline

StepWhat happensUsual time (varies)
Check-inID, insurance and symptom historyShort
Clinician examExamination and decision about imagingShort
X-ray imagesPositioning and imagingMinutes
ReviewImages checked; plan explainedVaries
Treatment or referralSplint, medicine, referral or repeat imagingVaries
Follow-upRecheck, final report, specialist visitDays to weeks

10. Questions to Ask Before You Go

Before you go, it helps to ask:

  • Is the X-ray done on site at the Elmhurst clinic, or by referral?
  • Do I need a doctor's order, and can I book same-day?
  • What does my insurance cover, and what might I owe?
  • Will a radiologist read the images, and when will I hear back?
  • Book through the appointment page, and see how insurance and preventive billing works.

Conclusion

An X-ray is a quick, low-dose way to look at bones and lungs. Know when it helps, when a bigger problem needs the emergency room, and prepare so your visit goes smoothly.

Contact Us: To ask about X-ray availability, referrals or an appointment, reach City Prime Care through our Contact Us page, or find us on Google. This article is for general information and does not replace personal medical advice. In an emergency, call 911.

Frequently Asked Questions

See a Doctor in Elmhurst or Chinatown

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