The air gap sign.
Heart Clinic of Louisiana, Marrero, Louisiana; West Jefferson Medical Center, Marrero, Louisiana.
Edmund Kenneth
EK
Kerut
Curtis
C
Hannawalt
Charles T
CT
Everson
Navin C
NC
Nanda
D000368:Aged; D004452:Echocardiography / Q000379:methods*; D005260:Female; D005547:Foreign Bodies / Q000150:complications*; D006323:Heart Arrest / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D011026:Pneumopericardium / Q000000981:diagnostic imaging* / Q000209:etiology; D012680:Sensitivity and Specificity
acoustic interference; pneumomediastinum; pneumopericardium