## Dopamine (Inotropin) 200mg in 500ml of Normal Saline at 5 microgram/kg/min is ordered for a 155-lb patient.

### What is the final concentration of solution in micro/ml?

a- 0.4micrograms

b- 2.5micrograms/ml

c- 40micrograms/ml

d- 400micrograms/ml***

e- 25microgram/ml.

### How do you calculate dopamine infusion rate?

The derived formula is ml of dopamine/hour = 0.0015 x wt (kg) x dose (µg/kg/min).

### How do you calculate mcg/kg min infusion?

- Inotropes. Dopamine. Adrenaline. ...
- Convert the total dose of drug added to. the syringe to micrograms (mcg) ...
- Multiply the specified dose (in mcg/kg/ hr) by patient's weight (in kg) ...
- Convert the total dose of drug added to. the syringe to micrograms (mcg) ...
- Multiply the specified dose (in mcg/kg/ min) by patient's weight (in kg)

### How do you calculate infusion rate per hour?

If you simply need to figure out the infusion rate, or the mL per hour to infuse, take the total volume in mL, divided by the total time in hours that the medication is ordered to be infused over, to equal the rate in mL per hour.

### How do I calculate flow rate?

In order to determine the Flow Rate represented as Q, we must define both the volume V and the point in time it is flowing past represented by t, or Q = V/t. Additionally Flow rate and velocity are related by the equation Q = Av where A is the cross-sectional area of flow and v is its average velocity.

### How do you calculate infusion rate per minute?

#### Calculating the duration of an infusion

- The drop rate is 42 drops per minute.
- The drop factor is 20 drops per ml.
- If we divide 42 drops per minute by 20 drops per millilitre, we'll find out how many millilitres per minute.
- 42/20 = 2.1 ml per minute.

### How do you do mcg/kg min nursing?

Add the prescribed dose 10 mcg/kg/min, placing mcg in the numerator so that it will cancel out. Add 60 minutes/hour next so that minutes cancel out. Finally, add the patient's weight in kilograms. If the weight is in pounds, you will need to convert it to kilograms before adding it to the equation.

### What is the formula for dopamine injection?

Dopamine HCl is sensitive to alkalies, iron salts, and oxidizing agents. Chemically it is designated as 4-(2-aminoethyl) pyrocatechol hydrochloride, and its molecular formula is C8H11NO2 • HCl. and the molecular weight is 189.64.

### What is the drug calculation formula?

A basic formula, solving for x, guides us in the setting up of an equation: D/H x Q = x, or Desired dose (amount) = ordered Dose amount/amount on Hand x Quantity.

### What rate in mL hr is required to infuse 2 mcg kg min?

The answer is 52.5 mL/hr. 2. Start a Nipride® (nitroprusside) infusion at 2 mcg/kg/min for a patient in hypertensive crisis.

### How is nursing infusion time calculated?

The formula to calculate how many hours will it take for the IV to complete before it runs out is: Time (hours) = Volume (mL) Drip Rate (mL/hour) . The volume of the fluid is 1 000 mL and the IV pump set at 62 mL/hour.

### What is the rate to infuse 250ml over 90 minutes?

250mls/90 min. =2.7mls/min times 60mins =166.6 rounded off to 167mls per hour.

### How do you calculate IV flow rate mL hr?

flow rate (mL/hr) = total volume (mL) ÷ infusion time (hr) infusion time (hr) = total volume (mL) ÷ flow rate (mL/hr) total volume (mL) = flow rate (mL/hr) × infusion time (hr)

### How do you calculate water flow rate in Litres per minute?

#### Flow rate (L/min) = [Bucket Size (L)] ÷ [Fill time (sec)] × 60 × 0.8

60 is to convert the unit to minutes.

0.8 refers to a 20% reduction in flow rate to allow for pressure loss in your system. If the bucket test is taken off the main water feed at the correct pressure then this 20% allowance is not necessary.

### How the flow rate is measured in infusion pump?

These measurements were conducted using Bronkhorst Coriolis flow meters (series mini CORI-FLOW). These flow meters allowed us to measure the flow rate of infusion pumps very accurately, precisely and independent of the density of the solution being measured (although most of the solutions were similar to water).