Table 2.

Comparison of Clinical Examination Versus Invasive Diagnostic Testing For Diagnosis and Treatment of Clinical Instability

Clinical Examination	Invasive Diagnostic Testing
Immediate Information Available	Requires Procedure Prior to Results
Some Measures Validated for Risk Stratification	Some Measures Validated for Risk Stratification
Repeated Measures Feasible – Can Tailor Therapy to Results, but primarily unproven as a method to titrate therapy	Repeated Measures Feasible – Can Tailor Therapy to Results, but primarily unproven as a method to titrate therapy
Measurements Low Risk	Measurements Higher Risk
Cannot distinguish between forms of shock	Can distinguish between many forms of shock