Becker’s Muscle Dystrophy Onset in adolescence of muscle weakness Genetic defect on X chromosome Affects males Pathologically, an abnormal dystrophin protein Relatively normal life span
Some signs of MH may be more specific to the diagnosis than others. Specific signs are muscle rigidity , increased carbon dioxide production, rhabdomyolysis and marked temperature elevation. Less specific signs include tachycardia , tachypnea, acidosis and hyperkalemia. In most cases patients developing MH will demonstrate metabolic acidosis.