focused cardiac ultrasound (FoCUS)

^[1]^[2]

Indications

* not intended to definitely rule out pathology^[1]

simplified form of echocardiography used primarily in emergency medicine & critical care medicine
may be done with standard ultrasound instruments
uses M-mode imaging
synchronizes imaging with ECG tracings
a phased-array transducer is recommended
a limited number of views is sufficient
- subcostal long axis
- subcostal inferior vena cava
- parasternal long axis
- parasternal mid-papillary short axis
- apical 4 chamber^[1]

* video^[2]

↑ ^1.0 ^1.1 ^1.2 ^1.3 Anello J, Feinberg B, Heinegg J, Lindsey R, Wojdylo C, Wong O. Medcsape Oncology. August 2014 Focused Cardiac Ultrasound. First international guidance on focused cardiac ultrasound (FoCUS) by the World Interactive Network Focused on Critical Ultrasound (WINFOCUS) http://reference.medscape.com/features/slideshow/guidelines-review/august2014
↑ ^2.0 ^2.1 Prada G, Pustavoitau A, Koenig S Focused Cardiac Ultrasonography for Right Ventricular Size and Systolic Function. N Engl J Med 2022; 387:e52 PMID: https://www.ncbi.nlm.nih.gov/pubmed/36416769 https://www.nejm.org/doi/full/10.1056/NEJMvcm2004089