GRAPHIC WARNING: An ER nurse hiked more than 10 miles to safety after a trekking pole pierced his side during a climb on Montana’s Granite Peak. David Cifaldi

GRAPHIC WARNING: An ER nurse hiked more than 10 miles to safety after a trekking pole pierced his side during a climb on Montana’s Granite Peak. David Cifaldi says he and two friends started hiking around 3:30am, and after making good time across the mountain, he slipped near the base of Tempest Pe…