USMLE Forum Archives - USMLE Step 3 - IM: The most likely diagnosis
IM: The most likely diagnosis
meduploader - 05-31-09 14:49 Bookmark and Share

A 26-year-old woman who has been exposed to gonorrhea and is asymptomatic is treated with 1 gram probenecid (Benemid) and 4.8 million units of intramuscular procaine penicillin. Within 1 minute the patient becomes extremely combative, agitated, hallucinative, and anxious, and screams that she is going to die. Vital signs are normal except for a pulse rate of 120/min. Within 15 minutes, the patient is calm and asks what happened. The most likely diagnosis of this condition is:






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#1
Re: IM: The most likely diagnosis
sackatdoc - 05-31-09 15:08

My answer is: c.

#2
Re: IM: The most likely diagnosis
lilybug - 05-31-09 17:48

My answer is: e.

#3
Re: IM: The most likely diagnosis
meduploader - 06-01-09 06:33

My answer is: c.

#4
Re: IM: The most likely diagnosis
shahprasun - 06-01-09 10:28

My answer is: c.

#5
Re: IM: The most likely diagnosis
zorawar - 06-02-09 06:20

My answer is: c.

#6
Re: IM: The most likely diagnosis
conym5 - 06-18-09 13:21

My answer is: d.


Probenecid may increase the plasma concentrations and half-lives of penicillins. The mechanism is competitive inhibition by probenecid of the renal tubular secretion of penicillins. While this interaction is often exploited to enhance the antibacterial effect of penicillins, toxicity may occur and should be considered if high penicillin dosages are administered intravenously.

#7
Re: IM: The most likely diagnosis
sabiraghauri - 06-18-09 13:48

My answer is: c.

#8
Re: IM: The most likely diagnosis
goodboy - 06-18-09 14:06

My answer is: c.

#9
Re: IM: The most likely diagnosis
bingousmle - 06-18-09 14:14

My answer is: c.

#10
Re: IM: The most likely diagnosis
drbipinsingh - 06-18-09 15:12

My answer is: c.

#11
Re: IM: The most likely diagnosis
mtniharika - 09-19-09 03:54

My answer is: c.

#12
Re: IM: The most likely diagnosis
lisjan - 11-07-09 14:37

My answer is: d.

#13
Re: IM: The most likely diagnosis
1811166 - 12-22-09 01:31

My answer is: c.

#14
Re: IM: The most likely diagnosis
katamoto - 03-28-10 16:15

My answer is: c.

#15
Re: IM: The most likely diagnosis
enas3110 - 03-28-10 18:11

My answer is: e.

#16
Re: IM: The most likely diagnosis
conym5 - 04-09-10 08:29

Reactions are transient, lasting from 15 to 30 minutes, and may be treated with parenteral physostigmine. Probenecid and penicillin are not known to produce such reactions.

#17
Re: IM: The most likely diagnosis
mangofran - 04-26-10 00:52

My answer is: d.

#18
Re: IM: The most likely diagnosis
niusha - 04-26-10 02:17

My answer is: e.

#19
Re: IM: The most likely diagnosis
nidayasir - 04-26-10 11:41

My answer is: d.

#20
Re: IM: The most likely diagnosis
shehabsedigg - 04-28-10 04:33

My answer is: e.

#21
Re: IM: The most likely diagnosis
bmnnbm - 08-04-10 14:06

My answer is: d.

#22
Re: IM: The most likely diagnosis
bobby - 08-16-10 15:59

My answer is: d.

#23
Re: IM: The most likely diagnosis
shumayla - 08-17-10 09:10

My answer is: d.

#24
Re: IM: The most likely diagnosis
shyamala - 08-17-10 14:37

My answer is: c.

#25
Re: IM: The most likely diagnosis
babbu5508 - 08-30-10 03:54

My answer is: c.


treated with 1 gram probenecid (Benemid) and 4.8 million units of intramuscular procaine penicillin. Within 1 minute the patient becomes extremely combative, agitated, hallucinative, and anxious, and screams that she is going to die

#26
Re: IM: The most likely diagnosis
zampaoverture - 08-30-10 14:17

My answer is: c.

#27
Re: IM: The most likely diagnosis
fudge15019 - 10-06-10 14:53

My answer is: c.

#28
Re: IM: The most likely diagnosis
robbyj32 - 02-17-11 13:09

My answer is: c.

#29
Re: IM: The most likely diagnosis
tylenol - 02-21-11 22:02

My answer is: c.

#30
Re: IM: The most likely diagnosis
babbu5508 - 02-22-11 10:33

My answer is: c.

#31
Re: IM: The most likely diagnosis
madniraza - 06-01-11 19:13

My answer is: d.


penicillin allergy

#32
Re: IM: The most likely diagnosis
dinmenace - 06-27-11 23:33

My answer is: d.

#33
Re: IM: The most likely diagnosis
ashwee - 06-28-11 13:48

My answer is: a.

#34
Re: IM: The most likely diagnosis
visionary235 - 07-13-11 00:41

My answer is: e.

#35
Re: IM: The most likely diagnosis
shameer2011 - 09-11-11 06:51

My answer is: c.

#36
Re: IM: The most likely diagnosis
jackob - 09-12-11 04:10

My answer is: d.

#37
Re: IM: The most likely diagnosis
draqeelhaider - 10-10-11 22:29

My answer is: c.

#38
Re: IM: The most likely diagnosis
tariqahmed110 - 10-11-11 02:13

My answer is: c.

#39
Re: IM: The most likely diagnosis
jamiljajr - 11-11-11 18:22

My answer is: b.

#40
Re: IM: The most likely diagnosis
humbe61 - 01-28-12 22:04

My answer is: c.

#41
Re: IM: The most likely diagnosis
ushadevi - 02-03-12 02:05

My answer is: c.

#42
Re: IM: The most likely diagnosis
a1b2c3d - 02-05-12 16:14

My answer is: c.

#43
Re: IM: The most likely diagnosis
hassan123 - 04-02-12 10:16

My answer is: d.

#44
Re: IM: The most likely diagnosis
drarmemon - 04-03-12 06:13

My answer is: c.

#45
Re: IM: The most likely diagnosis
jjackk - 04-03-12 16:45

My answer is: c.

#46
Re: IM: The most likely diagnosis
lamalily - 04-16-12 14:09

My answer is: a.

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