Severe lung disease
Due to risk of unilateral pneumothorax
Overlying infection
Allergy to anesthetics
Phrenic<unk>  dysfunction
Specifically contralateral phrenic<unk>  dysfunction, due to the risk of unilateral paralysis
Due to risk of unilateral pneumothorax
Specifically contralateral phrenic<unk>  dysfunction, due to the risk of unilateral paralysis
Nerve block: Intrascalene
Nerve block: Auricular
Nerve block: Lingual
Nerve block: Supraperiosteal
Nerve Block: Supraorbital
Nerve Block: Infraorbital
Nerve Block: Femoral
Nerve Block: Occipital