Structures mortality case reviews with root cause analysis and system improvement recommendations. Use when conducting M&M reviews, analyzing adverse outcomes, or documenting mortality cases.
Structures mortality case reviews with root cause analysis and system improvement recommendations for quality improvement in hospital medicine.
Mortality and Morbidity (M&M) conferences are a cornerstone of medical quality improvement, peer review, and professional accountability. In-hospital mortality rates range from 1.5-3% for general medicine services, and a significant proportion of inpatient deaths — estimated at 10-15% — involve potentially preventable contributing factors related to diagnostic delays, treatment errors, communication failures, or system gaps. The Joint Commission requires hospitals to analyze sentinel events and near-misses, and CMS Conditions of Participation mandate an ongoing quality assessment and performance improvement (QAPI) program.
Mortality reviews serve dual purposes: individual case learning and system improvement. When conducted properly under the protection of peer review statutes (state-specific), mortality reviews are legally privileged and cannot be used in malpractice litigation. This protection enables candid analysis of failures. However, the privilege only applies when reviews follow institutional peer review bylaws, are conducted through an authorized committee, and documentation is appropriately managed. Hospitalists who lead or participate in mortality reviews must understand both the clinical methodology and the legal framework.
Before conducting a mortality review, confirm:
Build a detailed chronological timeline of the clinical course:
MORTALITY REVIEW TIMELINE
Patient: [De-identified identifier per peer review protocol]
Age/Sex: [Demographics]
Admission date: [Date]
Death date: [Date]
LOS: [Days]
Timeline:
[Date/Time] — [Event/Decision/Finding] — [Provider] — [Outcome/Response]
[Date/Time] — [Event/Decision/Finding] — [Provider] — [Outcome/Response]
...
Key inflection points identified:
1. [Time point where clinical trajectory changed]
2. [Time point where alternative action might have altered outcome]
3. [Time point where system factor contributed to delay or error]
Focus on decision points, transitions of care (handoffs, transfers, weekends), and timing of interventions relative to clinical changes.
| Class | Definition | Example |
|---|---|---|
| Class I | Major diagnostic error discovered at autopsy — treatment would have changed and potentially altered outcome | Missed pulmonary embolism as cause of death; missed aortic dissection |
| Class II | Major diagnostic error discovered at autopsy — treatment might not have changed outcome | Missed metastatic cancer in patient with terminal multiorgan failure |
| Class III | Non-diagnostic issues — related to treatment, timing, or system factors | Delayed antibiotic administration; missed escalation; handoff failure |
| Class IV | Death was anticipated and unavoidable given the clinical scenario | Expected death from terminal illness with appropriate comfort care |
| Class V | Insufficient information to classify | Incomplete record, no autopsy, unclear clinical picture |
For each identified contributing factor, use the "5 Whys" method and categorize using the RCA taxonomy:
Contributing factor categories:
| Category | Examples | Investigation Questions |
|---|---|---|
| Diagnostic | Missed or delayed diagnosis, wrong diagnosis, failure to use indicated tests | Was the differential diagnosis complete? Were test results followed up? Was clinical reasoning documented? |
| Treatment | Wrong medication/dose, delayed treatment, procedure complication, unnecessary procedure | Was the treatment evidence-based? Was timing appropriate? Were protocols followed? |
| Communication | Handoff failure, consultant miscommunication, inadequate documentation, failed escalation | Was I-PASS used? Were recommendations acknowledged? Was the family informed? |
| System | Equipment failure, staffing inadequacy, ED boarding, ICU bed unavailability, EMR usability | Was the system capable of supporting the clinical need? Were resources available? |
| Patient factors | Delayed presentation, non-adherence, comorbidity burden, patient/family decision | Were patient factors modifiable? Was the care team responsive to patient limitations? |
| Monitoring | Failure to rescue, missed deterioration, alarm fatigue, inadequate vital sign frequency | Were early warning scores calculated? Were escalation criteria followed? Was monitoring appropriate for acuity? |
For each contributing factor, document:
Contributing Factor #[N]:
- What happened: [Factual description]
- Why it happened: [Root cause — go 5 levels deep]
- Classification: [Diagnostic / Treatment / Communication / System / Patient / Monitoring]
- Preventability: [Definitely preventable / Possibly preventable / Not preventable]
- Recommended action: [Specific, actionable, assignable improvement]
| Classification | Definition | Action Required |
|---|---|---|
| Definitely preventable | Clear error or omission that directly caused or significantly contributed to death | Immediate corrective action, system change, peer review follow-up |
| Possibly preventable | Alternative actions might have changed the outcome, but uncertainty exists | System review, process improvement consideration |
| Not preventable | Death occurred despite appropriate care, or was expected given terminal condition | Document as learning case; confirm care was appropriate |
For each identified contributing factor, create a specific, actionable, measurable recommendation:
Recommendation template:
Recommendation: [Specific action]
Type: [Individual learning / Education / Policy change / System improvement /
Equipment / Staffing]
Owner: [Department, committee, or individual responsible for implementation]
Timeline: [By when should this be implemented]
Measurement: [How will we know if the recommendation was effective]
Avoid vague recommendations:
After completing the mortality review: