<prompt> 28 year old male met with an accident and sustained severe crush injury. He is most likely develop -Acute renal failureHypophosphatemiaHypercalcemiaAcute myocardial infarction  <response>: Severe crush injury results in rhabdomyolysisbreakdown of muscle tissue -myoglobin is released into blood, damaging the kidneys. Other causes of rhabdomyolysis Muscle ischemia Immobilisation Prolonged seizure activity Excessive exercise ,heat stroke or malignant hypehermia,myopathies,infections Metabolic disorders severe hypothyroidism, hypophosphatemia Ref:HARRISON 20 th edition pg no. 2103 