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Mnemonics


24 user entries
 

jdmiles
user_forums Mnemonics Forum Mar 08, 2007 @ 04:23

Have a good mnemonic?  Share it!

-jdm



 

atomicdoctor
user_forums PET tracers Nov 28, 2011 @ 19:50

Half life for cyclotron-produced PET radionuclides other than F-18:

ONC-ology (many are used in cancer imaging)

O - N - C:  Oxygen, Nitrogen, Carbon

2 x 10 = 20

2 minutes, 10 minutes, 20 minutes

 



 

atomicdoctor
user_forums Krypton half life Nov 28, 2011 @ 20:00

I know it's hardly ever used anymore, but it's a great ventilation tracer!  Here's how to remember why:

Krypton-81m half-life is 13 seconds. (13.10 to be exact) 

Superman's "unlucky" element is kryptonite.  "13" is an unlucky number. 




me
user_forums Pituitary - FLAT PiG Mar 19, 2007 @ 09:28

Pituitary - FLAT PiG:

FSH,

LH,

ACTH,

TSH,

Prolactin,

(ignore),

GH




me
user_forums TAN HATS for hypothalamus. Mar 19, 2007 @ 09:28

TAN HATS for hypothalamus.

1) Thirst ("I'm supra-opti thirsty!")

2) Adenohypophysis via Release Hormones (see "Pituitary = FLAT PiG")

3) Neurohypophysis (via oxy/ADH)

4) Hunger/Satiety

5) Autonomic (Anterior is pArasympathetic; Suprachiasmatic is circadian -- think "chiasma" like a shadow, is "dreamy")

6) Temperature (A/C --> Anterior Cools, posterior heats)

7) Sexual = Septate nucleus (think "sextate")




jdmiles
user_forums EEG, Eyes, Tongue, and charge Mar 19, 2007 @ 09:28

How to remember the charge of the cornea and tongue (relevant for EEG artifacts):

 

          (+)     (+)

                .

         ----------/

 



 

ingy
user_forums Re: EEG, Eyes, Tongue, and charge Feb 15, 2009 @ 13:26
could you elaborate on this


   

jdmiles
user_forums Re: Re: EEG, Eyes, Tongue, and charge Feb 15, 2009 @ 13:47

I suppose it does need some explanation.

The "+" signs mean that the cornea has a positive charge.  So wherever the cornea moves towards a lead, you can expect a positive deflection on the EEG.  And whenever the cornea moves away from a lead, you can expect a negative deflection.

So if someone looks towards the right, you should see positive deflections in the right leads, and negative deflections in the left leads.

All those minus signs at the mouth represent that the tip of the tongue has a net negative charge compared to the rest of the tongue.  This is why tongue movements (e.g., talking) can create artifacts on the EEG.

Hope this helps.  Thanks for the comments and questions.

REFERENCES:

Fisch, B.J. (1999).  Fisch and Spehlmann's EEG Primer: Basic Principles of Digital and Analog EEG. 3rd Edition.  Elsevier, Amsterdam.  (ISBN:0444821481)

 



     

ingy
user_forums Re: Re: Re: EEG, Eyes, Tongue, and charge Feb 16, 2009 @ 20:04
thank you :)



ruku05
user_forums Comment Jun 09, 2007 @ 20:56

 Here is the pneumonic for one of the most wanted  NSU Q's

indication 4 intubation


Intubation "IS to give sombody REST + O2"


"IS - increase in ICP ; SHOCK ( cardiovascular)
REST - RR > 35 , RR < 5
E - Exhaution or labored breathing
S - Prolonged recovery from SURGERY/TRAUMA
T - Tidal vol < 5 ml/kg
O2 - SaO2<90% on O2;PaO2<60, PaCO2>60

  08/15/2006
GCS <8; FVC <15; NIF < -20; Pao2<60/PaCO2>60




jdmiles
user_forums Neurofibromatosis Type 1 Sep 21, 2007 @ 02:39

Where's the gene for NF1?

Chromosome 17.

How do you remember this?  There are 17 letters in "von Recklinghausen" and "Neurofibromatosis".




jdmiles
user_forums LGN & MGN nuclei of the thalamus Jan 14, 2008 @ 02:55

To rememer that MGN is involved with audition and LGN is involved with vision:

Light, LGN

Music, MGN 




jdmiles
user_forums B Vitamins Aug 01, 2008 @ 09:11
How do you remember which B vitamin is which?
Just remember "TRN" (or "The RN"):

T = Thiamine = B1
R = Riboflavin = B2
N = Niacin = B3

Suggested by Annette Niestroy-Janus, M.D.



iparkxx1
user_forums Muscle innervated by Radial Nerve Sep 21, 2008 @ 11:24
RAW (as in Radial) BEAST RAW: Radial (picture a beast yelling "RAW") Brachialradialis Extensors ABDuctor pollicis longus Supinator Tricepts



blondarb
user_forums Re: MRI findings in ICH Nov 12, 2008 @ 09:07
i can't format this well... not sure why.


 

jdmiles
user_forums Re: Re: MRI findings in ICH Nov 12, 2008 @ 17:02

Howdy.

Thanks for the mnemonic on blood on the MRI.

I've tweaked the WSYWIG editor for forums and comments, so it should work now.

One note - once someone replies to a comment, the original comment cannot be edited.




blondarb
user_forums Comment Nov 13, 2008 @ 06:55

now i can't delete this




blondarb
user_forums MRI findings in ICH Nov 13, 2008 @ 07:15

Blood products degrade over time. These changes are relflected on MRI T1 and T2 depending on time, this allows physicians to estimate how long blood has been present. Changes occur at the following times: 

  • <24 Hrs: hyperacute
  • 1 d -3 d: acute
  • 3 - 7 d: early subacute
  • 7-14 d: late subacute
  • >14 d: chronic

 

Mnemonic based on T1 and T2 changes:

MRI: I Bleed, I Die, Bleed Die, Bleed Bleed, Die Die. (I-isointence, B-hyperintence, D-Hypointense)

I Bleed (hyperacute), I Die (acute), Bleed Die (early subacute), Bleed Bleed (late subacute), Die Die (chronic)

alternate: I Be IDdy BiDdy  BaBy DaDdy

Hgb Products over time: Oh Death MIss ME Here

                      Oxy, Deoxy, Methhem- (Intracellular), Methhem- (Extrecellular), Hemosiderin

see the table here for further review: http://www.emedicine.com/neuro/TOPIC177.HTM

* special note: Iso intense may also be hypointense.

** thanks to JJ for alternate, thanks to MD for original.

*** this topic appeared on old rites and is relatively high yield.



 

hinju
user_forums Re: MRI findings in ICH Feb 07, 2009 @ 18:58

It Be an IDy BiDy BaBy's DaDdy

 

T1 is bright with methemoglobin.

T2 is bright whenever ions (Fe2+ or extracellular methemoglobin) occur.

 




jdmiles
user_forums Mee's Lines Jan 02, 2009 @ 09:20

Mee's lines are a sign of Heavy Metal poisoning.

Like guitar strings across your fingernails.

 



 

hinju
user_forums Re: Mee's Lines Feb 07, 2009 @ 19:00

It Be an IDy BiDy BaBy's DaDdy

 

T1 is dark and burns bright a bit with methemoglobin, and darkens when hemosiderin develops.

T2 is bright whenever oxidizing ionization (Fe2+ or extracellular methemoglobin) occurs, but also darkens when hemosiderinization occurs.

 



   

ingy
user_forums Von Hippel Lindau Feb 15, 2009 @ 13:25

Von Hippel Lindau

 3 words => Chromosome 3



     

ingy
user_forums Huntington diseas Feb 15, 2009 @ 13:28

Hunting 4 food => Chromosone 4



       

ingy
user_forums Cholinesterase inhibitor poisoning Feb 15, 2009 @ 13:31

DUMBBELSS

Diarrhea

Urination

Miosis

Bronchospasm

Bradycardia

Excitation of skeletal muscle and CNS

Lacrimation

Sweating

Salivation

Antidote: Atropine



 
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