EMTprep Free Training Materials

Our Free Training Materials include articles, test day tips, study guides and training videos as well as words of advice for both your NREMT journey and EMS career.


Training Categorized: Lab Values

Lab Values - Thyroid Function

In this video flashcards video, we review the normal ranges of the Thyroid Function Panel. Be sure to check out the other Lab Values video flashcards videos in this series, and for more great free content, check us out at EMTprep.com

This video is specifically provided by EMTprep to assist members in preparing for the NREMT exam and related skills sheets and for no other purpose. NREMT study aids and resources provided by EMTprep are not intended to provide training for life saving techniques, emergency response training, or any other type of medical training.

Lab Values - CBC with Differential

In this video flashcards segment, we go over the normal values for the complete blood count with differential.

This video is specifically provided by EMTprep to assist members in preparing for the NREMT exam and related skills sheets and for no other purpose. NREMT study aids and resources provided by EMTprep are not intended to provide training for life saving techniques, emergency response training, or any other type of medical training.

Lab Values - Basic Metabolic Panel

In this video, we provide some video flashcards on the normal values contained in a BMP blood test for you to quiz yourself on. Be sure to check out more great free content on our website at EMTprep.com.


This video is specifically provided by EMTprep to assist members in preparing for the NREMT exam and related skills sheets and for no other purpose. NREMT study aids and resources provided by EMTprep are not intended to provide training for life saving techniques, emergency response training, or any other type of medical training.

What is blood lactate? And what can altered levels be an indication of?

Lactate is a product of anaerobic metabolism - which is the result of cell metabolism in the absence of sufficient oxygen. Typically, lactate is metabolized by the liver to prevent toxic accumulation in the bloodstream (1). However, in the absence of adequate tissue perfusion, these levels can accumulate and have devastating effects on the body. “Normal lactate levels are less than 1.0 mmol/L in both arterial and venous blood[…] [and] one study showed a level above 4.0mmol/L was associated with a 27% mortality rate compared with 7% for patients with a lactate of 2.5-4.0 mmol/L2”...