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It is advisable to have it investigated, especially with a history of murmur.
A single routine ECG does not exclude. It can miss, unless done during the episode.
24 to 48 hour ambulatory monitoring (HOLTER) is done to analyse and plan for further management, if a routine ECG does not show,
is necessary to see the heart valves (Mitral Valve Prolapse
) / heart muscle (Cardiomyopathy
) and heart function (Ejection fraction
, wall motion abnormality).
TMT (Treadmill exercise ECG) is done to exclude Ischemia
(reduced blood flow).
LABORATORY work-up is routine - like blood counts, sugar, urea, electrolytes (potassium in particular), thyroid (over-active) and so on.
There are advanced techniques of investigations of increasing complexity – Electro Physiological Studies (EPS) / not generally done unless there are compelling indications. The treating doctor may suggest them depending on need, based on his assessment of the situation.
Wishing speedy recovery