IRCT20180712040439N1 IRCT 2018-08-27 Arak University of Medical Sciences Effect of plantago ovata forsk on prevention of constipation among patients with acute myocardial infarction Effect of plantago ovata forsk on prevention of constipation among patients with acute myocardial infarction 2018-08-23 anticipated 110 Complete https://irct.ir/trial/33022 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: convenience sampling and blocking method, Blinding description: The patient is unaware of the type of herbal medicine used to prevent constipation, because both medicine and placebo are saccharified in volatile water and consumed. On the other hand, the data collection nurse is not aware of the patient's drug use, as the researcher gave the patient with a herbal drug with the help of a nurse co-worker before data collection. The statistician is also unaware of the two groups because the data is presented in the form of the intervention group code and the control group. 3 Acute myocardial infarction. Intervention 1: Intervention group: The intervention group after receiving the terms of participation in the study for a period of three consecutive days receive the PSF in a fasting state. Intervention 2: Control group: The group receives the placebo-based rusks for three consecutive days and fasting. 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 Sampling of this project before the date of 11/13/1397.