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Fluorescein Angiography

Fluorescein Angiography is a diagnostic test that aids visualization of the blood circulation in the retina and choroid. Fluorescein is a water-soluble dye that is injected into a vein in the patient's arm. It travels through the blood vessels of the body thereby aiding multiple photographing of the retina. The images obtained help in detecting any swelling or leakage in the blood vessels. The patient's eyes are dilated with mydriatic eye drops so that photographs of the inside of the eye can be taken.


Some patients may notice skin rash, itching or allergic reaction to the dye. Nausea or vomiting may be noticed. But this non-invasive test can usually be safely repeated. Abnormal results of fluorescein angiography test may indicate diabetic retinopathy, macular degeneration, or cancer. Ischaemia or edema in the retina circulation can be detected with the help of fluorescein angiography.

Electrocardiogram

An electrocardiogram or ECG is a non-invasive diagnostic test to record the electrical voltage in the heart so as to understand its functioning and regularity of heart beats. The electrocardiogram or EKG can help in diagnosing cardiovascular disease. The ECG is used to check for any damage to the heart and regulate the functioning of the pacemaker.

An electrocardiogram measures the electrical activity within the heart, thereby throwing light on the how the heart muscles function. This test is not painful. An ECG is recommended for patients who complain of regular chest pain or palpitations to check for the normal functioning of the heart. It can help in detecting heart attack or (ischaemia) ischemia. If a patient suffers from hypothermia, pulmonary embolism, mitral stenosis or left ventricular hypertrophy, an EKG can help in diagnosis.

Other non-cardiac problems such as drug overdose or electrolyte imbalance can be diagnosed with an EKG. Abnormal results from an ECG test may be indicative of arrhythmia, myocarditis, impending heart attack or enlarged heart.


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Collection of Pages - Last revised Date: December 10, 2019