X-rays are a type of radiation called electromagnetic waves, which can be used to help detect or diagnose:
Bone fractures and dislocations
Chest Infections (such as pneumonia)
Calcifications (like kidney stones or vascular calcifications)
Some tumours
Arthritis in joints
Bone loss (such as osteoporosis)
Heart problems (such as congestive heart failure)
Digestive problems
Foreign objects (such as items swallowed by children)
An electrocardiogram (ECG) records the electrical signal from your heart to check for different heart conditions. Electrodes are placed on your chest to record your heart's electrical signals, which cause your heart to beat.
E.C.G. requires when:
Chest pain
Atypical chest pain
Epigastric pain
Back, neck, jaw or arm pain without chest pain
Palpitations
Syncope or near-syncope
Pulmonary edema
Exertional dyspnea
Weakness
Diaphoresis unexplained by ambient temperature
Feel of anxiety or impending doom
Suspected diabetic ketoacidosis