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% Document Info
\author{Siffi (Siffi)}
\pdfinfo{
  /Title (cn-iii-iv-vi-disorders.pdf)
  /Creator (Cheatography)
  /Author (Siffi (Siffi))
  /Subject (CN III, IV, VI + Disorders Cheat Sheet)
}

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\noindent
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    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{CN III, IV, VI + Disorders Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Siffi (Siffi)} via \textcolor{DarkBackground}{\uline{cheatography.com/122609/cs/22860/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Siffi (Siffi) \\
  \uline{cheatography.com/siffi} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 7th May, 2021.\\
   Page {\thepage} of \pageref{LastPage}.
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  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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% www.emerson.emory.edu/services/latex/latex_169.html
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\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{CN III}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{{\bf{Pathway:}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Nucleus in ventral periaqueductal grey matter @ superior colliculus} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Nerve passes through interpenducular cistern to PCA into cavernous sinus (lateral wall)} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Passes into orbit, divides into superior + inferior branches} \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Dysfunction S\&S}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Eye is down and out with pupil dilation + ptosis} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Patient cannot move eye up and in} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Diplopia is greatest when patient moves eye towards weak side} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Concomitant vs Paralytic Squint}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Concomitant}} & {\bf{Paralytic}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Congenital & Affected eye shows limited movement \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{NO DIPLOPIA}} & Angle of eye deviation + diplopia greatest when looking in the direction controlled by the weak muscle \tn 
% Row Count 9 (+ 6)
% Row 3
\SetRowColor{white}
Extraoccular muscles + nerves intact & Outer image always produced by the weak eye \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
Full movement of eyes when tested seperately & {\bf{DIPLOPIA IS ALWAYS PRESENT}} \tn 
% Row Count 15 (+ 3)
% Row 5
\SetRowColor{white}
 & Head tilt posture present in opposite direction to eye - minimises diplopia \tn 
% Row Count 19 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{CN IV}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{{\bf{Pathway:}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Nucleus @ midbrain- level of inferior colliculus near ventral periaqueductal grey matter} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Decussates in dorsal aspect of BS} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Emerges laterally around cerebral peduncle} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Enters into the cavernous sinus (lateral wall)} \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Passes through superior orbital fissure} \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Dysfunction S\&S}}  \tn
% Row 0
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\mymulticolumn{1}{x{17.67cm}}{Eye up and in} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Pt cannot move eye down and out} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Diplopia is greatest when patient moves eye towards weak side} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{4.5549 cm} x{6.0732 cm} x{6.2419 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{17.67cm}}{\bf\textcolor{white}{Disorders of Gaze}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Seizures}} & During a seizure, the eyes deviate towards affected limbs in a jerking fashion &  \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
{\bf{Themipareisis}} & Tonic deviation of eyes away from hemiparetic limb & Lesion in frontal lobe, ipsilateral to direction of eye \tn 
% Row Count 10 (+ 4)
% Row 2
\SetRowColor{LightBackground}
{\bf{Damage to PPRF}} & Tonic deviation of eyes towards & Lesion in pons, contralateral to direction of eye \tn 
% Row Count 14 (+ 4)
% Row 3
\SetRowColor{white}
 & Vertical gaze palsy & \seqsplit{Midbrain/pontine} lesions \tn 
% Row Count 16 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{Perinaud syndrome}} & Impaired upwards eye movements, convergence, response to light + \seqsplit{accommondation} impaired & Dorsal midbrain lesion - IIIrd Ventricle tumour, pineal region tumours, hydrocephalus, wenicke's \seqsplit{encephalopathy}, encephalitis \tn 
% Row Count 25 (+ 9)
% Row 5
\SetRowColor{white}
\seqsplit{**Internuclear} \seqsplit{ophthalmologia} & Disconjugate gaze palsy, sawtooth nystagmus (back and forth) & Damage to ML bundle, MS \tn 
% Row Count 30 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{4.5549 cm} x{6.0732 cm} x{6.2419 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{17.67cm}}{\bf\textcolor{white}{Disorders of Gaze (cont)}}  \tn
% Row 6
\SetRowColor{LightBackground}
{\bf{Webino}} & Bilateral IOP + exotropia + loss of convergence, conjugate gaze palsy to one side & Midbrain lesion, PPRF/abducens nucleus + adjacent ML bundle \tn 
% Row Count 6 (+ 6)
% Row 7
\SetRowColor{white}
{\bf{Occular apraxia}} & Does not move to command but has ful range of random eye movements & Bilateral prefrontal motor cortex damage \tn 
% Row Count 11 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{CN VI}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{{\bf{Pathway:}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Floor of IV ventricle} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Axons pass ventrally through pons, overlies basilar portion of occupital bone} \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Runs up petrous part of temporal bone} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Enters lateral wall of cavernous sinus} \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Thin nerve, very vulnerable to increased ICP + superior pressure from tentorial cerebellar lesions} \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Dysfunction S\&S}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Can occur with CN III palsy} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Eye position would be medial} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{Pt would not be able to move eye outwards} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{Diplopia is greatest when patient moves eye towards weak side} \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Eye movements}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Middle gyrus of frontal lobe}} & Fast rapid eye movements \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{Occipital cortex}} & Slow movement of eyes to ipsilateral side \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
{\bf{Frontal + \seqsplit{Occipito-mesencephalic} pathway}} & Project to III, IV, VI nucleus \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
{\bf{Pursuit}} & Slow movement that fixed image on macular area \tn 
% Row Count 11 (+ 3)
% Row 4
\SetRowColor{LightBackground}
{\bf{Saccadic}} & Rapid - aligns new target on macular area \tn 
% Row Count 14 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}