Notebook crashes because of high memory consumption due missing dtypes

[banderlog]

The notebook throws similar errors in different cells:

DtypeWarning: Columns (4,5,7,11) have mixed types.Specify dtype option on import or set low_memory=False.
  if (await self.run_code(code, result,  async_=asy)):

Why it is bad: https://stackoverflow.com/questions/24251219/pandas-read-csv-low-memory-and-dtype-options

All dtypes listed in the official MIMIC-III documentation, e.g.: https://mimic.physionet.org/mimictables/admissions/