\documentclass[10pt,a4paper]{article}

% Packages
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\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
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\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{sisk}
\pdfinfo{
  /Title (acid-base-disorders.pdf)
  /Creator (Cheatography)
  /Author (sisk)
  /Subject (Acid/Base Disorders Cheat Sheet)
}

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\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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% Font and Colours
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\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Acid/Base Disorders Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{sisk} via \textcolor{DarkBackground}{\uline{cheatography.com/58253/cs/15551/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}sisk \\
  \uline{cheatography.com/sisk} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 22nd April, 2018.\\
   Updated 22nd April, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{2.8 cm} x{5.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Definitions}}  \tn
% Row 0
\SetRowColor{LightBackground}
Acid & CO2; proton donor \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Base & HCO3-; proton acceptor \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Acidemia & pH \textless{} 7.35 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Alkalemia & pH \textgreater{} 7.45 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Acidosis & Process that results in decreased blood pH \tn 
% Row Count 6 (+ 2)
% Row 5
\SetRowColor{white}
Alkalosis & Process that results in increased blood pH \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Respiratory regulation & Regulates CO2; compensation occurs in min to hrs \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
Renal regulation & Regulates HCO3-; compensation takes up to 1wk \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.84 cm} x{4.16 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Consequences of Alkalemia}}  \tn
% Row 0
\SetRowColor{LightBackground}
Hypokalemia & Arteriolar constriction \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Reduced coronary blood flow & Decreased plasma ionized {[}Ca{]} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Decreased Mg and PO4 & Reduced cerebral blood flow \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{Tetany, seizures} \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.12 cm} x{4.88 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Consequences of Acidemia}}  \tn
% Row 0
\SetRowColor{LightBackground}
Hyperkalemia & Impaired cardiac contractility \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Reduced ATP synthesis & Impaired response to catecholamines \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Reduced cardiac output & Insulin resistance \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{Coma} \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.096 cm} x{1.368 cm} x{1.368 cm} x{1.368 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Primary Disorders}}  \tn
% Row 0
\SetRowColor{LightBackground}
 & pH & PaCO2 & HCO3- \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Respiratory Acidosis & \seqsplit{decreased} & \seqsplit{increased} & normal \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Respiratory Alkalosis & \seqsplit{increased} & \seqsplit{decreased} & normal \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Metabolic Acidosis & \seqsplit{decreased} & normal & \seqsplit{decreased} \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Metabolic Alkalosis & \seqsplit{increased} & normal & \seqsplit{increased} \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.096 cm} x{1.368 cm} x{1.368 cm} x{1.368 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Partially Compensated States}}  \tn
% Row 0
\SetRowColor{LightBackground}
 & pH & PaCO2 & HCO3- \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Respiratory Acidosis & \seqsplit{decreased} & \seqsplit{increased} & \seqsplit{increased} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Respiratory Alkalosis & \seqsplit{increased} & \seqsplit{decreased} & \seqsplit{decreased} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Metabolic Acidosis & \seqsplit{decreased} & \seqsplit{decreased} & \seqsplit{decreased} \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Metabolic Alkalosis & \seqsplit{increased} & \seqsplit{increased} & \seqsplit{increased} \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.592 cm} x{2.304 cm} x{1.152 cm} x{1.152 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Fully Compensated States}}  \tn
% Row 0
\SetRowColor{LightBackground}
 & pH & PaCO2 & HCO3- \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Respiratory Acidosis & Normal, but \textless{} 7.40 & \seqsplit{increased} & \seqsplit{increased} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Respiratory Alkalosis & Normal, but \textgreater{} 7.40 & \seqsplit{decreased} & \seqsplit{decreased} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Metabolic Acidosis & Normal, but \textless{} 7.40 & \seqsplit{decreased} & \seqsplit{decreased} \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Metabolic Alkalosis & Normal, but \textgreater{} 7.40 & \seqsplit{increased} & \seqsplit{increased} \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{2.48 cm} x{5.52 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Arterial Blood Gas Ranges}}  \tn
% Row 0
\SetRowColor{LightBackground}
pH & 7.35-7.45 \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
PaCO2 & 35-45mmHg \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
PaO2 & 80-100mmHg \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
HCO3- & 22-26 mEq/L \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
SaO2 & \textgreater{}95\% \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.56 cm} x{5.44 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Anion Gap (AG)}}  \tn
% Row 0
\SetRowColor{LightBackground}
Definition & Concentration of unmeasured anions in plasma \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Unmeasured anions & Sulfates, phosphates, blood proteins such as albumin \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Use & Determines type of metabolic acidosis \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Equation & {[}Na+{]} - ({[}Cl-{]} + {[}HCO3-{]}) \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Normal AG & 12 mEq/L; range of 8–16 acceptable \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
Elevated AG & \textgreater{}20 mEq/L \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Metabolic alkalosis & Excess AG+HCO3 \textgreater{} normal HCO3- \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
Metabolic acidosis & Excess AG+HCO3 \textless{} normal HCO3- \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{AG: Difference in electrical charge between cations and anions in blood.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.08 cm} x{1.8 cm} x{2.448 cm} x{1.872 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Causes of Elevated Anion Gap}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Methanol} & Uremia & Diabetic ketoacidosis & Propylene glycol \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Isoniazid} & Lactic acidosis & Ethylene glycol & Renal Failure \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{8.4cm}}{{\emph{*}}MUDPILER}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Diagnosing Acid/Base Disorders}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{1. Determine if patient is acidic or basic} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{2. Determine if it is an anion gap acidosis (normally due to MUDPILER)} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{3. Determine if metabolic alkalosis or non-anion gap acidosis} \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}