“…Common classical signs and symptoms include altered mental level, failure to eat and drink e.g., anorexia, failure to develop temperature or fever or lack of pain in a disease known to cause those conditions, functional decline, reduced mobility, falling, fatigue and urinary incontinence (Emmett, 1998;GrayMiceli, 2007;Salvi et al, 2007;Samaras et al, 2010). These symptoms are sometimes known as geriatric syndromes which are prevalent in up to a quarter of older adults at the ED, particularly in institutionalized patients (Chou et al, 2009;Rutschmann et al, 2005). Apart from presenting as geriatric syndromes, variant symptoms of specific diseases often occur such as mild or absent chest pain, dyspnea and no electrocardiogram evidence of acute myocardial infarction, unexplained atrial fibrillation, weakness Table 1 Demographic data and univariate analysis between atypical and typical presentation of older adults at the ED.…”