\tikzsetnextfilename{Sinustachykardien}

    \begin{tikzpicture}[node distance=2cm]
    
    \node (start) [start] {\textbf{Sinustachykardie}};
    \node (oth1) [other, right of=start, xshift=8cm, text width=4cm] {\textbf{Differentialdiagnose:} atriale Tachykardie, Vorhofflimmern, atrioventrikuläre Reentry-Tachykardie};
    \draw [arrow] (start) -- (oth1);
    
    \node (par1) [paroxysmal, below of=start, yshift=-1cm, text width=3cm] {paroxysmal};
    \draw [arrow] (start) -- (par1);
    
    \node (par21) [paroxysmal, below of=par1, yshift=-1cm, text width=3cm] {kein offensichtlicher Trigger};
    \node (par22) [paroxysmal, right of=par21, xshift=2cm, text width=3cm] {kör\-per\-la\-ge\-ab\-hän\-gig};
    \draw [arrow] (par1) -- (par21);
    \draw [arrow] (par1) -- (par22);
    
    \node (par31) [paroxysmal, below of=par21, text width=3cm] {24\,h Holter EKG};
    \node (par32) [paroxysmal, right of=par31, xshift=2cm, text width=3cm] {Kipp\-tisch\-un\-ter\-su\-chung};
    \draw [arrow] (par21) -- (par31);
    \draw [arrow] (par22) -- (par32);
    
    \node (par41) [paroxysmal, below of=par31, text width=3cm, fill=Green50] {SANRT};
    \node (par42) [paroxysmal, right of=par41, xshift=2cm, text width=3cm, fill=Green50] {POTS};
    \draw [arrow] (par31) -- (par41);
    \draw [arrow] (par32) -- (par42);
    
    \node (per1) [persistent, right of=par1, xshift=6cm] {persistent};
    \draw [arrow] (start) -- (per1);
    
    \node (per21) [persistent, below of=per1, yshift=-1cm, text width=3cm] {keine Ursache vorhanden};
    \node (per22) [persistent, right of=per21, xshift=2cm, text width=3cm] {Ursache vorhanden};
    \draw [arrow] (per1) -- (per21);
    \draw [arrow] (per1) -- (per22);
    
    \node (per31) [persistent, below of=per21, yshift=-2cm, text width=3cm, fill=Green100] {IST};
    \node (per32) [paroxysmal, right of=per31, xshift=2cm, text width=3cm, fill=Green100] {NST};
    \draw [arrow] (per21) -- (per31);
    \draw [arrow] (per22) -- (per32);
    
    \end{tikzpicture}
