Level C recommendations: Weak
• Level V, VI and/or VII evidence available using Melnyk
& Fineout-Overholt grading system (Melnyk & FineoutOverholt,
2005) - Based on consensus, usual practice,
evidence, case series for studies of treatment or screening,
anecdotal evidence and/or opinion
• There is limited or low quality patient-oriented evidence;
has relevance and applicability to emergency nursing
practice
• Has limited or unknown effectiveness
Level C recommendations: Weak
• Level V, VI and/or VII evidence available using Melnyk
& Fineout-Overholt grading system (Melnyk & FineoutOverholt,
2005) - Based on consensus, usual practice,
evidence, case series for studies of treatment or screening,
anecdotal evidence and/or opinion
• There is limited or low quality patient-oriented evidence;
has relevance and applicability to emergency nursing
practice
• Has limited or unknown effectiveness
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