Katie Selman, MD

Back to Basics: Trench Foot

Trench foot

· Temperatures above freezing + wet conditions = immersion injury

· Commonly from continuously wearing wet socks and shoes

History

· Repeated exposure to wet and cold

o Homeless, military, outdoor workers

· Occurs over several days to weeks

· Tingling or numbness most common symptom

Exam

· Damp, pale or mottled in color

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Back to Basics: Dizziness & the HINTS exam

HINTS Testing: series of three physical exam maneuvers to differentiate peripheral and central causes of vertigo

Head Impulse test: tests vestibulo-ocular reflex

• Patient focuses on visual spot directly in front of them

• Rotate patient’s head rapidly from center to 40 degrees to the left and back again to center, repeat on the right

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