IRCT20190128042525N3 IRCT 2020-06-10 Rafsanjan University of Medical Sciences Effect of L-Carnitine on QT-Dispersion of patients with acute myocardial infarction in Rafsanjan Ali Ibn-Abitaleb Hospital: A randomized, double‐blind, placebo-controlled trial Effect of L-Carnitine on QT-Dispersion of patients with acute myocardial infarction in Rafsanjan Ali Ibn-Abitaleb Hospital: A randomized, double‐blind, placebo-controlled trial 2018-10-23 anticipated 200 Complete https://irct.ir/trial/42465 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: Method of randomization: simple randomization Unit of randomization: individual Tools used in randomization: table of random numbers, Blinding description: This study is a double blind randomized clinical trial. In this study, in order to observe the details of the double-blind study, the patient and the investigator are not informed of any type and method of administration, only the physician is aware of the type and method of administration of the drug and placebo, and how the study and control groups are divided. 3 Patients with acute myocardial infarction. Intervention 1: Intervention group:60 patients with acute myocardial infarction admitted to Ali Ibn Abi Talib Hospital in Rafsanjan. L-carnitine treatment group. (Oral L-carnitine tablets will be prescribed twice daily for up to 24 hours from hospitalization at a dose of 250 mg daily for 8 weeks). Intervention 2: Control group: 60 patients with acute myocardial infarction admitted to Ali Ibn Abi Talib Hospital in Rafsanjan. Placebo (starch tablets) are milled and powdered in the same shells and are reheated twice daily for 8 weeks. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is "There is no further information"