3992
We investigated the direct actions of ECG on the modulation of ion currents and cardiac cell excitability in the primary culture of neonatal rat ventricular myocyte ( NRVM ) , which is considered a hypertrophic model for analysis of myocardial arrhythmias .
 Chemical: ECG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ECG