In this episode Dr. Sergio Zanotti discusses the recently released Clinical Practice Guideline for the Evaluation and Management of Acute Pulmonary Embolism in Adults. This guideline is a report of the American College of Cardiology / American Heart Association Joint Committee on Clinical Practice Guidelines. He is joined by Dr. Mark Creager, the lead author and chair of the writing committee for these guidelines. Dr. Creager is Professor of Medicine and Professor of Surgery at the Geisel School of Medicine at Dartmouth. A past president of the American Heart Association, he is an internationally recognized leader in vascular and cardiovascular medicine with more than 400 scientific publications. Additional resources: 2026 AHA/ACC/ACEP/CHEST/SCAI/SHM/SIR/SVM/SVN Guideline for the Evaluation and Management of Acute Pulmonary Embolism in Adults: A Report of the American College of Cardiology / American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation 2026: https://www.ahajournals.org/doi/10.1161/CIR.0000000000001415 Surgical Management and Mechanical Circulatory Support in High-Risk Pulmonary Embolisms: Historical Context, Current Status, and Future Directions: A Scientific Statement From the American Heart Association. Circulation 2023: https://www.ahajournals.org/doi/10.1161/CIR.0000000000001117 Antithrombotic Therapy for VTE Disease: Second Update of the CHEST Guideline and Expert Panel Report. CHEST 20: https://journal.chestnet.org/article/S0012-3692(21)01506-3/fulltext Books mentioned in this episode: Team of Rivals: The Political Genius of Abraham Lincoln. By Doris Kearns Goodwin: https://bit.ly/4skCS0c Alexander Hamilton. By Ron Chernow: https://bit.ly/4rFuxTw Vascular Medicine: A Companion to Braunwald’s Heart Disease. By Mark Creager et al.: https://bit.ly/4uHZ4Dc

Acute Pulmonary Embolism: Clinical Guideline Update

In this episode, Dr. Sergio Zanotti discusses a structured approach to ECMO emergencies, focusing on recognizing cardiac arrest, organizing the team response, and early ECMO troubleshooting to support key life-saving interventions. He is joined by Dr. Waqas Akhtar, a consultant at Guy's & St Thomas' NHS Foundation Trustin the United Kingdom. Dr. Akhtar completed full postgraduate certification in Cardiology, Intensive Care & General Internal Medicine, with a particular interest in cardiogenic shock, heart transplantation, and mechanical circulatory support Additional resources: British societies guideline on the management of emergencies in patients on extracorporeal membrane oxygenation. Waqas Akhtar, et al. Intensive Care Med 2025: https://pubmed.ncbi.nlm.nih.gov/41051555/ UK multisociety consensus statement on the emergency and resuscitation of patients with left-sided Impella support. Waqas Akhtar, et al. BMJ Journals 2026: https://heart.bmj.com/content/early/2025/12/17/heartjnl-2025-326896 Books mentioned in this episode: His Dark Materials Series: The Golden Compass; The Subtle Knife; The Amber Spyglass: https://bit.ly/4cmSXgB

ECMO Emergencies

In this episode of Critical Matters, Dr. Sergio Zanotti discusses the management of acute type B aortic dissection. He is joined by Dr. Firas Mussa, a vascular surgeon and professor at McGovern Medical School at UTHealth Houston. Dr. Mussa also holds a joint appointment with Imperial College in London. Additional resources: Management of Acute Type B Aortic Dissection. FF Mussa and P Kougias. N Engl J of Med 2025: https://pubmed.ncbi.nlm.nih.gov/40902163/ 2022 ACC/AHA Guideline for the Diagnosis and Management of Aortic Disease: A Report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines. EM Isselbacher, et al. Circulation 2022: https://pubmed.ncbi.nlm.nih.gov/36322642/ Society for Vascular Surgery (SVS) and Society of Thoracic Surgeons (STS) Reporting Standards for Type B Aortic Dissections. JV Lombardi, et al. J Vasc Surg 2020: https://pubmed.ncbi.nlm.nih.gov/32001058/ Endovascular repair of type B aortic dissection: long-term results of the randomized investigation of stent grafts in aortic dissection trial. INSTEAD-XL Trial. CA Nienaber, et al. Circ Cardiovasc Inter 2013: https://pubmed.ncbi.nlm.nih.gov/23922146/ Books mentioned in this episode: A Dangerous Liaison: A Revelatory New Biography of Simon de Beauvoir and Jean-Paul Satre. By Carole Seymour-Jones: https://bit.ly/3L0pIov A Time For All Things: The Life of Michael E. DeBakey. By Craig Miller, et al.: https://bit.ly/44B2uMw

Acute Type B Aortic Dissection

In this episode, Dr. Zanotti discusses the role of Procalcitonin in the ICU. He is joined by Dr. Simran Gupta, an infectious disease specialist at Brigham & Women's Hospital in Boston. Dr. Gupta has additional training in Clinical Research, Transplant, and Infectious Disease. She recently published an article on reassessing the role of Procalcitonin in critically ill patients with sepsis. Additional resources: Reassessing Procalcitonin-Guided Antibiotic Therapy in Critically Ill Patients with Sepsis: Lessons from the ADAPT-Sepsis Trial. S. Gupta, et al. Clinical Infectious Disease 2025: https://pubmed.ncbi.nlm.nih.gov/40579227/ Biomarker-Guided Antibiotic Duration for Hospitalized Patients With Suspected Sepsis: The ADAPT-Sepsis Randomized Clinical Trial. JAMA 2025: https://pubmed.ncbi.nlm.nih.gov/39652885/ Procalcitonin-guided antibiotic therapy may shorten the length of treatment and may improve survival- a systematic review and meta-analysis. M Papp, et al. Crit Care 2023: https://pubmed.ncbi.nlm.nih.gov/37833778/ Books and entertainment mentioned in this episode: Shantaram: A Novel. By Gregory David Roberts: https://bit.ly/4ovVHKX SHANTARAM – Apple TV series: https://tv.apple.com/us/show/shantaram/umc.cmc.atxsrive40xli3zh3uxjimut

PCT Reassessed

In this episode, Dr. Sergio Zanotti discusses the assessment of peripheral perfusion as a tool to guide treatment in septic shock. Specifically, he dives into Capillary Refill Time. He is joined by Dr. Eduardo Kattan, a critical care and anesthesia physician. Dr. Kattan is an Assistant Professor at the Pontificia Catholic University of Chile, where he also serves as Adult Critical Care Program Director and Director of Research and Academics in the Department of Critical Care Medicine. A prolific investigator, he focuses his research on septic shock and medical education. Dr. Rattan is the Co-Principal Investigator of the recently published ANDROMEDA-SHOCK 2 clinical trial. Additional resources: Personalized Hemodynamic Resuscitation Targeting Capillary Refill Time in Early Septic Shock. The ANDORMEDA-SHOCK-2 Randomized Clinical Trial. JAMA 2025: https://jamanetwork.com/journals/jama/fullarticle/2840823 Effect of Resuscitation Strategy Targeting Peripheral Perfusion Status vs Serum Lactate Levels on. 28-Day Mortality Among Patients With Septic Shock. The ANDROMEDA-SHOCK Randomized Clinical Trial. JAMA 2019: https://jamanetwork.com/journals/jama/fullarticle/2724361 Perspectives on peripheral perfusion assessment. Eduardo Kattan, et al. Curr Opin Crit Care 2023: https://pubmed.ncbi.nlm.nih.gov/37078639/ Books mentioned in this episode: The Little Prince. By Antoine de Saint-Exupery: https://bit.ly/49YcSRJ The Autumn Ghost: How the Battle Against a Polio Epidemic Revolutionized Modern Medical Care. By Hannah Wunsch: https://bit.ly/4i9PiUf

Capillary Refill Time (CRT)

In this episode, Dr. Sergio Zanotti discusses the administration of vasopressor agents through peripheral intravenous lines (or what we refer to as “peripheral vasopressors”). He is joined by Dr. Elizabeth Munroe, a practicing pulmonary/critical care physician and an Assistant Professor of Pulmonary and Critical Care at Intermountain Health in Salt Lake City, Utah. Her research interests include evidence-based resuscitation practices in early sepsis and septic shock, vasopressor administration practices, peripheral vasopressor use, and clinical trials, particularly novel, pragmatic clinical trial designs. Additional resources: Peripheral Vasopressor Use in Early Sepsis-Induced Hypotension. ES Munroe, et al. JAMA Network 2025: https://pubmed.ncbi.nlm.nih.gov/40864467/ Early Restrictive or Liberal Fluid Management for Sepsis-Induced Hypotension. Shapiro NI, et al. CLOVERS Trial. New Engl J of Med 2025: https://pubmed.ncbi.nlm.nih.gov/36688507/ Overview of Peripheral Vasopressor Use in an Academic Health System. D Shyu, et al. Ann Am Thorac Soc 2025: https://pubmed.ncbi.nlm.nih.gov/40126143/ Safety of peripheral intravenous administration of vasoactive medication. J Cardenas-Garcia, et al. J Hosp Med 2015: https://pubmed.ncbi.nlm.nih.gov/26014852/ Books mentioned in this episode: Ending Medical Reversal- Improving Outcomes, Saving Lives. By Vinayak K. Parsad, et al: https://bit.ly/4nhCNam

Peripheral vasopressors

Fluid overload is a common problem in critically ill patients. In this episode, Dr. Sergio Zanotti discuss recognizing and managing fluid overload in the ICU with guest Dr. Michael J. Connor, Jr., a practicing intensivist and nephrologist. Dr. Connor is a Professor and Senior Physician of Critical Care Medicine & Nephrology at the Divisions of Pulmonary, Allergy, Critical Care, and Sleep Medicine and Renal Medicine at Emory University School of Medicine. Additionally, he serves as the director of critical care nephrology at the Emory Critical Care Center at Grady Memorial Hospital. Additional resources European Society of Intensive Care Medicine Clinical Practice Guideline on fluid therapy in adult critically ill patients: Part 3- fluid removal at de-escalation phase. Intensive Care Med 2025: https://pubmed.ncbi.nlm.nih.gov/40828463/ Optimizing Fluid Therapy in the Critically Ill. International Fluid Academy website – 2025: https://www.fluidacademy.org/2025/01/17/optimising-fluid-therapy-in-the-critically-ill-introduction-to-7d/ Fluid overload in the ICU: evaluation and management. R. Claure-Del Granado and R. L. Mehta. BMC Nephrology 2016: https://pubmed.ncbi.nlm.nih.gov/27484681/ Books and music mentioned in this episode: Think Again: The Power of Knowing What You Don’t Know. By Adam Grant: https://bit.ly/4gZvz9c RUSHMERE. By Mumford & Sons: https://bit.ly/473FzKc

Fluid Overload in the ICU

Originally posted in April of 2023, we are sharing this episode of Critical Matters again as Dr. Sergio Zanotti's discussion about the long journey to healing and recovery for those who've survived critical illness in the ICU remains pertinent and important. This conversation features Dr. Margaret Herridge, Professor of Medicine, Senior Scientist in Critical Care and Respiratory Medicine at the University of Toronto. Dr. Herridge is also Director of Critical Care Research. Director of the RECOVER Program, and Clinical Director of the Grace RECOVER Program for Chronic Critical Illness, in the University Health Network, Toronto, Canada. Additional Resources: Outcomes after Critical Illness. M. Herridge and E. Azoulay: https://pubmed.ncbi.nlm.nih.gov/36884324/ Neuropsychological sequelae and impaired health status in survivors of severe acute respiratory distress syndrome. Hopkins RO, et al: https://pubmed.ncbi.nlm.nih.gov/10390379/ One-year outcomes in survivors of the acute respiratory distress syndrome. Herridge m, et al: https://pubmed.ncbi.nlm.nih.gov/12594312/ Long-term cognitive impairment after critical illness. Pandharipande PP, et al: https://pubmed.ncbi.nlm.nih.gov/24088092/ The RECOVER Program: disability risk groups and 1-year outcome after 7 or more days of mechanical ventilation. Herridge M, et al: https://pubmed.ncbi.nlm.nih.gov/26974173/ Determinants of long-term outcome in ICU survivors: results from the FROG-ICU study. Gayat E, et al: https://pubmed.ncbi.nlm.nih.gov/29347987/ Symptoms of anxiety and depression in family members of intensive care unit patients. Pochard F, et al: https://pubmed.ncbi.nlm.nih.gov/11588447/ Books Mentioned in this Episode: Bel Canto. By Ann Patchett: bit.ly/3nWs7Vp Commonwealth. By Ann Patchett: bit.ly/43pWSCt

Outcomes after critical illness

In this episode, Dr. Sergio Zanotti discusses ECPR–Extracorporeal Cardiopulmonary Resuscitation. ECPR is still be considered a niche therapy, but its relevance and availability are increasing. He is joined by Dr. Adam Green, a practicing intensivist at Cooper University Health Care and an Associate Professor of Medicine at Cooper Medical School of Rowan University (CMSRU). Dr. Green is the director of research for the division of Critical Care and has authored over 50 peer-reviewed publications. He has been part of the ECMO team at Cooper since its inception. Additional resources: Extracorporeal cardiopulmonary resuscitation for refractory cardiac arrest. The Lancet Respiratory Medicine 2025: https://www.sciencedirect.com/science/article/pii/S2213260025001225 Effect of Intra-arrest Transport, Extracorporeal Cardiopulmonary Resuscitation, and Immediate Invasive Assessment and Treatment on Functional Neurologic Outcome in Refractory Out-of-Hospital Cardiac Arrest. JAMA 2022: https://jamanetwork.com/journals/jama/fullarticle/2789313 Association between increasing institutional experience with ECPR and outcomes in patients with out-of-hospital cardiac arrest: A nationwide multicenter observational study in Japan (the JAAM–OHCA registry) RESUSCITATION 2025: https://www.resuscitationjournal.com/article/S0300-9572(24)00862-1/fulltext Early Extracorporeal CPR for Refractory Out-of-Hospital Cardiac Arrest. N Eng J of Med 2023: https://www.nejm.org/doi/full/10.1056/NEJMoa2204511 Books mentioned in this episode: The Perfect Predator: A Scientist’s Race to Save Her Husband from a Deadly Superbug. By S. Strathdee and T Patterson: https://amzn.to/3Hxjmez

ECPR

In this episode, Dr. Sergio Zanotti discusses clinical guidelines for the transfusion of platelets and fresh frozen plasma (FFP) in critically ill patients. He is joined by Dr. Angel Coz Yataco, a practicing pulmonary critical care physician. Dr Coz Yataco is on the faculty of the Cleaveland Clinic Main Campus. He is also the lead author of the recently published American College of Chest Physicians Clinical Practice Guidelines on “Transfusion of Fresh Frozen Plasma and Platelets in Critically Ill Adults.” Additional resources: American College of Chest Physicians Clinical Practice Guidelines on Transfusion of Fresh Frozen Plasma and Platelets in Critically Ill Adults. Coz Yataco a, et al. CHEST 2025: https://pubmed.ncbi.nlm.nih.gov/40074060/ Platelet Transfusion 2025 AAB and ICTMG International Clinical Practice Guidelines. JAMA 2025: https://pubmed.ncbi.nlm.nih.gov/40440268/ Platelet Transfusion before CVC Placement in Patients with Thrombocytopenia. Van Baarle LF, et al. New Eng J of Med 2023: https://www.nejm.org/doi/full/10.1056/NEJMoa2214322 Books mentioned in this episode: Think Again: The Power of Knowing What You Don’t Know. By Adam Grant: https://bit.ly/404783f