1. Wateen-Abhar Difference:

The hadith which you qouted uses the word "abhar", whereas the ayah uses the word "wateen". Since these are medical jargons of that era, there is no reason to believe that the two refer to the same thing. So, if Muhammad's (pbuh) death was truly...

...God's justice and manifestation of His truth, then surely the All-Powerful God and the Creator of this mind-blowing universe would be expected to also have the power to take care of little details.

2. Context of the Quranic Verse:

The preceding verses, along with the...

...verse in question, are meant to be testament to Muhammad's truthfulness and him being a Messenger. The verses, addressing the pagans of Makkah, tell us that Quranic revelations were being spoken by an honorable Messenger, and not by a poet nor a soothsayer. And had...