Chapter 5
Conversions for Other Clinical
Applications: Time and Temperature
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Discussion Topics
• Time
– Essential part of drug order
– What are some issues related to using the traditional time
method?
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24-Hour Clock
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Traditional and 24-Hour Clock
AM
International Time
PM
International Time
12:00 midnight
2400
12:00 noon
1200
1:00
0100
1:00
1300
2:00
0200
2:00
1400
3:00
0300
3:00
1500
4:00
0400
4:00
1600
5:00
0500
5:00
1700
6:00
0600
6:00
1800
7:00
0700
7:00
1900
8:00
0800
8:00
2000
9:00
0900
9:00
2100
10:00
1000
10:00
2200
11:00
1100
11:00
2300
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Converting Traditional Time to
International Time
• For hours of 1:00 AM to 9:00 AM:
– Remove colon
– Add zero before first number to make four-digit number
• Between hours of 10:00 AM and 12:00 noon:
– Remove colon
– Remaining four numbers represent international time
Copyright © 2011 Delmar, Cengage Learning. ALL RIGHTS RESERVED.
Converting Traditional Time to
International Time
• Between hours of 1:00 PM and 12:00 AM:
– Remove colon
– Add 1200 to traditional time
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What Time Is It?
•
•
•
•
•
3:15 PM
4:45 AM
5:30 PM
10:10 PM
12:35 AM
•
•
•
•
•
0017
1010
1730
2310
0635
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What Is Wrong?
• Give two Tylenol at 9:00
• Blood pressure to be taken at 2510
• Insulin given at 23:10 p.m.
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Celsius and Fahrenheit Scales
• Convert between Fahrenheit (F) and Celsius
(C) temperatures:
°F - 32
°C =
1.8
°F = 1.8°C + 32
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Celsius and Fahrenheit Scales
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Copyright © 2011 Delmar, Cengage Learning. ALL RIGHTS RESERVED.
Celsius and Fahrenheit Scales
• Example: convert 95˚ Fahrenheit to Celsius
95-32
C=
1.8
63
C=
1.8
C = 35°
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Celsius and Fahrenheit Scales
• Example: convert 35˚ Celsius to Fahrenheit
F = 1.8 35 32
F = 63 32
F = 95°
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Calculate the Temperatures
•
•
•
•
40˚ Fahrenheit
75˚ Fahrenheit
18˚ Celsius
65˚ Celsius
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