see also: [[ECHO]], [[Cessation of resus]] #incomplete > Absence of cardiac kinetic activity has <5% probability of ROSC *Focused Echo in Life support* > [!references]- See > - [Right heart during arrest table 2019](https://emcrit.org/wp-content/uploads/2019/10/Right-Heart-During-Arrest.pdf) > - [fem artery doppler vs palpation](https://emergencymed.org.il/wp-content/uploads/2022/04/1-s2.0-S0300957222000326.pdf) > - [POCUS pulse check](https://emcrit.org/wp-content/uploads/2019/10/POCUSpuleCheck-Resuscitation2019.pdf) assess for: - pericardial effusion - right heart strain / passive PE - rule out or confirm severe left ventricular systolic dysfunction / signs of cardiogenic shock - assess for fluid responsiveness - sonographic signs of sepsis and hypovolaemia ## M-mode in FELS - TAPSE - E-point septal separation - IVC