TCRN Review - Trunk (Thoracic Trauma, Abdominal Trauma, Genitourinary Trauma, Obstetrical Trauma)-399 questions with Verified Solutions
TCRN Review - Trunk (Thoracic Trauma, Abdominal Trauma, Genitourinary Trauma, Obstetrical Trauma)-399 questions with Verified Solutions What is a collection of excess fluid between the visceral pericardium and the parietal pericardium? - CORRECT ANSWER Pericardial Tamponade What are the classic signs and symptoms of a pericardial tamponade? - CORRECT ANSWER Beck's Triad What are the 3 findings in Beck's Triad? - CORRECT ANSWER Muffled heart tones Systemic Hypotension Distended Neck Veins (may not be present with hypovolemia) What are the cardiovascular effects of Pericardial Tamponade? - CORRECT ANSWER Elevated CVP Narrowed Pulse Pressure Rapidly falling cardiac output Tachycardia Pulsus alternans Blunting of the QRS complex Pulseless Electrical Activity Pulsus paradoxus or paradoxical pulse What is Pulsus Alternans? - CORRECT ANSWER Alternating morphology of the QRS complex What is pulsus paradoxus or paradoxical pulse? - CORRECT ANSWER A change of more than 10 mmHg in arterial pressure during inspiration How is pulsus paradoxus or paradoxical pulse found? - CORRECT ANSWER Usually seen as a decreased amplitude on the arterial waveform, but may also be palpated as a reduction in the strength of the radial pulse during inspiration. What are the non-cardiac indications of a pericardial tamponade? - CORRECT ANSWER Grey, death-like appearance Extreme anxiety Inability to lie supine Dyspnea Cyanosis How is pericardial tamponade diagnosed? - CORRECT ANSWER Clinically or via FAST exam What is the treatment for pericardial tamponade? - CORRECT ANSWER Pericardiocentesis Observe monitor for ventricular irritation during insertion How do you determine if blood aspirated from a pericardiocentesis is pericardial blood or ventricular blood? - CORRECT ANSWER Pericardial blood WILL NOT clot Ventricular blood WILL clot
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