While each of us has had a reading of our blood pressure taken, many of us may not know what blood pressure actually means. Blood pressure is expressed as a ratio of the maximum (systolic) and minimum (diastolic) pressure found in the aorta during one cardiac cycle. These pressure values are measured in millimeters of mercury (mmHg). Determining abnormal blood pressure is critical for diagnosing and averting a number of serious health problems (e.g. heart disease and stroke). Doctors therefore make decisions about the potential for serious health problems based on a few simple calculations. One simple calculation of interest is mean arterial pressure (MAP). The mean arterial pressure is the average pressure during the cardiac cycle. The MAP of a normal, resting heart can be computed by the formula: MAP = DP + (1/3)PP where DP is the diastolic pressure and PP is the pulse pressure. Create a Java class file called MeanArterialPressure. This program will compute a user's mean arterial pressure based on two inputs: the diastolic pressure (a int value) and the pulse pressure (an int value). Once the input is complete, your program should echo-print the input values with descriptive messages, like so: Your diastolic pressure is 110 and your pulse pressure is: 60. Next, add code to your program to compute the mean arterial pressure. You will need to declare another variable (a double) to store the mean arterial pressure value. Once you have used the input values to compute the mean arterial pressure, output the result to the screen with a descriptive message and two digits of precision: Your diastolic pressure is 110 and your pulse pressure is: 60. Your mean arterial pressure is: 130.00. Next, you will add code to your program to detect a "low" mean arterial pressure. If the mean arterial pressure is below 60 mmHg, alert the user that he or she should seek medical assistance; else, inform the user that their mean arterial pressure is within acceptable limits. Use an if-else statement. For example: Your diastolic pressure is 110 and your pulse pressure is: 60. Your mean arterial pressure is: 130.00. Your mean arterial pressure is within acceptable limits. or Your diastolic pressure is 40 and your pulse pressure is: 40. Your mean arterial pressure is: 53.33. You should seek medical assistance. Note #1: Follow the following Java Code Guidelines (when producing). Comments Each program must follow the Javadoc guidelines for documentation, including file-level and method-level comments. Each line that ends in a semicolon must have a comment in descriptive English. Additional descriptive comments are encouraged. Program Contents All primitive variables initialized. No “goto”, label, or "continue" statements are used. No use of "break" outside of a switch statement. Arrays are declared with the [ ] preceding the array name. Program Style All code indented three spaces within blocks (curly braces). Do NOT use tabs. All code must exhibit proper alignment of curly braces { } as modeled in class. All code must fit within 80 columns or less. Variable Names Variables named according to convention: Each variable name contains only letters or digits The first character in a variable name is a lowercase letter Constants named according to convention: Each constant contains only upper-case letters. Note #2: Produce in Java language!
While each of us has had a reading of our blood pressure taken, many of us may not know what blood pressure actually means. Blood pressure is expressed as a ratio of the maximum (systolic) and minimum (diastolic) pressure found in the aorta during one cardiac cycle. These pressure values are measured in millimeters of mercury (mmHg).
Determining abnormal blood pressure is critical for diagnosing and averting a number of serious health problems (e.g. heart disease and stroke). Doctors therefore make decisions about the potential for serious health problems based on a few simple calculations. One simple calculation of interest is mean arterial pressure (MAP). The mean arterial pressure is the average pressure during the cardiac cycle. The MAP of a normal, resting heart can be computed by the formula:
MAP = DP + (1/3)PP
where DP is the diastolic pressure and PP is the pulse pressure.
Create a Java class file called MeanArterialPressure. This
Your diastolic pressure is 110 and your pulse pressure is: 60.
Next, add code to your program to compute the mean arterial pressure. You will need to declare another variable (a double) to store the mean arterial pressure value. Once you have used the input values to compute the mean arterial pressure, output the result to the screen with a descriptive message and two digits of precision:
Your diastolic pressure is 110 and your pulse pressure is: 60.
Your mean arterial pressure is: 130.00.
Next, you will add code to your program to detect a "low" mean arterial pressure. If the mean arterial pressure is below 60 mmHg, alert the user that he or she should seek medical assistance; else, inform the user that their mean arterial pressure is within acceptable limits. Use an if-else statement. For example:
Your diastolic pressure is 110 and your pulse pressure is: 60.
Your mean arterial pressure is: 130.00.
Your mean arterial pressure is within acceptable limits.
or
Your diastolic pressure is 40 and your pulse pressure is: 40.
Your mean arterial pressure is: 53.33.
You should seek medical assistance.
Note #1: Follow the following Java Code Guidelines (when producing).
Comments
- Each program must follow the Javadoc guidelines for documentation, including file-level and method-level comments.
- Each line that ends in a semicolon must have a comment in descriptive English.
- Additional descriptive comments are encouraged.
Program Contents
- All primitive variables initialized.
- No “goto”, label, or "continue" statements are used.
- No use of "break" outside of a switch statement.
- Arrays are declared with the [ ] preceding the array name.
Program Style
- All code indented three spaces within blocks (curly braces). Do NOT use tabs.
- All code must exhibit proper alignment of curly braces { } as modeled in class.
- All code must fit within 80 columns or less.
Variable Names
- Variables named according to convention:
- Each variable name contains only letters or digits
- The first character in a variable name is a lowercase letter
- Constants named according to convention:
- Each constant contains only upper-case letters.
Note #2: Produce in Java language!
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Prompt the user to input the diastolic pressure (DP) and pulse pressure (PP).
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Store the inputs as integer values.
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Calculate the MAP using the formula MAP = DP + (1/3)PP.
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Print the diastolic and pulse pressure inputs along with the calculated MAP.
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If the MAP is below 60 mmHg, print a message indicating the user should seek medical assistance.
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If the MAP is above or equal to 60 mmHg, print a message indicating that the MAP is within acceptable limits.
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End the program.
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