Dislikedpersonally i think that scalping is gambling ever if you set s&r, draw trend lins, or fib. because there can alway be a breakout of any of your parametre.
5 mins chart is alway fast and respond easily respond to market spikes. you may be caugth in a fake out too. it is better to get simple indicators that can catch early trend and show you it is over.
what i do is i marry both the lagging indicators with the oscillators.Ignored
5 min chart is way too slow for scalping