You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is You are asked to review the ECG below, for a 72-year-old male who has presented to ER with falls. Based on your ECG interpretation, what is the likely diagnosis? and explain in detail?
Missed beat in ECG, PR interval-before & after missed beat are unequal in size-patient have serial prolongation of PR interval F/B drop beat - MOBITZ-I Hea Block