Study: NCT01334801

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches

Intervention type: PROCEDURE
Intervention: Blood Draw
Description: Two tubes of blood (about five tablespoons) will be drawn for research purposes, and these will be analyzed for the following tests:~1. BNP (Brain Natriuretic Peptide)~2. (PFA) Platelet Function Analyzer 100~3. von Willebrand Factor (vWF) antigen~4. (vWF) multimers~5. (vWF) \*activity by latex aggregation~6. Plasma stored for development of new testing approaches