## What does a medical calculator do?

A medical calculator is a type of medical computer software, whose purpose is to allow easy calculation of various scores and indices, presenting the user with a friendly interface that hides the complexity of the formulas.

**What is the MDCalc app?**

MDCalc is the brainchild of two emergency physicians: Joe Habboushe, MD, MBA, and Graham Walker, MD. Since 2005, they have provided registered users free access to hundreds of clinical calculators from multiple specialties. In 2016, they released their mobile application for both Android and iOS platforms.

**What is calculate by QXMD?**

Clinical calculator & decision support tool Converts recent research publications into practical handheld tools. Comprehensive and insightful results. Available for iPhone, iPad, Android tablets & smartphone and web. More than 400 unique calculators and decision support tools.

### Who created MDCalc?

Joe Habboushe, MD, MBA, is the CEO and co-founder of MDCalc. He is also the creator and editor-in-chief of EMRA’s pocket guide series, The Basics of Emergency Medicine, and an emergency physician and Associate Professor at Weill Cornell Medicine in New York City.

**What is clinical calculation?**

The prescription written by the primary health care provider is typically in grams, milligrams, micrograms, or units. Clinical calculations involve a conversion from the primary health care provider’s prescription to the item that you have on hand to ensure that you give your client the correct amount of medication.

**How do I figure out the percentage of a number?**

Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. The formula used to calculate percentage is: (value/total value)×100%.

## How do you determine sample size for a study?

How to Calculate Sample Size

- Determine the population size (if known).
- Determine the confidence interval.
- Determine the confidence level.
- Determine the standard deviation (a standard deviation of 0.5 is a safe choice where the figure is unknown)
- Convert the confidence level into a Z-Score.

**How do you convert mg to mL nursing?**

So, 1 mg is found in 0.5 ml of solution. So, if there is 1 mg of active drug in 0.5 ml, we can multiply 0.5 ml of solution by five to get our answer (as we want 5 mg of the drug). 0.5 multiplied by five is equal to 2 and a half millilitres.