Hippo ERcast May 2023

Intro: Major shift or merit badge: ACEP emergency department accreditation

Emergency department accreditation could reshape staffing, contracts, and bedside workflow far more than another hospital merit badge. ACEP’s proposed three-tier ED accreditation model sets standards for physician coverage, APC oversight, boarding policies, and core resources in language that reaches directly into daily emergency medicine practice. ACEP ED Accreditation Framework Three tier accreditation model: ACEP proposes Level 1, 2, and 3 ED accreditation, linking status to staffing, policies, and resources rather than a single generic quality label. Applications opening timeline: The program moved from task force work to board approval with applications anticipated in fall 2023, signaling a near-term operational issue rather than a distant policy idea. Workforce pressure backdrop: The push comes amid boarding, rising volumes, expanding residency spots, more APP staffing, and growing private-equity influence on emergency practice. Value proposition claims: Accreditation is framed as a signal of quality for patients, safer and fairer work conditions for clinicians, and market differentiation for hospitals, a tension we unpack in the episode. Contracts Policies and Staffing Standards Physician contracting protections: Across all tiers, the standards reject non-competes, require due process protections, and state emergency physicians should not sign charts for patients they never saw. Medical staff parity rules: Emergency physicians are expected to hold the same core staff rights as other physicians, including privileges and access to semiannual itemized billing and collection reports. Universal policy requirements: All tiers require procedural sedation policies consistent with ACEP guidance, kilogram-only pediatric weights, a disaster surge plan, and a boarding policy for primary psychiatric patients. Level 1 staffing standard: Level 1 requires a board-certified or board-eligible emergency physician onsite 24/7/365, with every patient personally seen by that physician. Level 2 and 3 supervision: Level 2 keeps 24/7/365 emergency physician presence but allows APC-first evaluation with physician presentation; Level 3 broadens the model, including telehealth emergency physician backup in rural or critical-access settings. We get into the practical staffing implications in the chapter. Level specific operational rules: Higher tiers add expectations like consultant response in under 1 hour, ownership of post-discharge critical results and incidental findings, and 24/7 ED POCUS availability.

Is it worth a quick look: The role of the CXR in trauma patients

Chest and pelvis x-rays are low-sensitivity trauma tests, but they still matter when they identify immediately actionable cavitary bleeding in a sick patient. In stable trauma, CT is usually the better injury screen, and dual imaging often adds delay without changing management. Trauma Imaging Triage Low-sensitivity plain films: Chest and pelvis x-rays miss injuries compared with CT, but they can still reveal a hemodynamically important hemothorax, pneumothorax, or pelvic fracture when minutes matter. Stable patients going to CT: If a stable trauma patient is headed for a pan-scan anyway, routine trauma-bay plain films usually add little and can delay definitive imaging and treatment. Rock solid trauma patients: Low-risk, normal-vitals patients who can give a clear history often need only targeted x-rays or no imaging at all, with observation and discharge decisions driven by the bedside exam. Sick trauma patients first: In critically ill trauma, immediate chest and pelvis films are tightly linked to management because they can trigger chest tube placement, hemorrhage control, or a decision to skip CT for the OR. Beyond stable versus unstable: Trauma imaging works better as a three-group model: rock solid, injured, and sick. We get into how that frame changes ordering decisions in the episode. CT, eFAST, and Protocol Choice CT as injury screen: CT is the highest-yield test for stable trauma patients with concerning mechanism, unreliable exam, or altered mental status, especially when occult torso injury is the real concern. Pan-scan protocol pitfalls: A reflex head-to-pelvis trauma protocol can miss the right study for the patient, including delayed renal imaging, gated cardiac CT, facial imaging, or CTA for blunt cerebrovascular injury. eFAST for immediate threats: eFAST is most useful in resuscitation for clinically important thoracic findings such as pericardial effusion, hemothorax, and pneumothorax, where a positive study can change management immediately. Spinal tenderness and CT: Midline spinal tenderness should push you toward CT rather than plain films, often using reformatted images from chest, abdomen, and pelvis studies already being obtained. Question-driven imaging choices: The key move is to order imaging only when it answers a real management question, balancing radiation, technologist time, and the opportunity cost of delaying intubation, transfusion, or procedures.

Lit Matters 1: Should we give calcium for OHCA?

Routine calcium during out-of-hospital cardiac arrest with pulseless electrical activity appears harmful, not helpful. In suspected hyperkalemic arrest, ECG patterns like peaked T waves or a widened QRS did not identify a subgroup that benefited from calcium in the COCA trial analysis. Calcium in PEA OHCA Routine calcium signal: Calcium chloride given during OHCA after epinephrine was associated with worse outcomes, with ROSC and 30-day survival both lower than placebo in the COCA dataset. PEA rhythm focus: PEA was the key subgroup because hyperkalemia commonly deteriorates into PEA, but that physiologic logic still did not translate into better resuscitation outcomes with calcium. ECG hyperkalemia markers: Peaked T waves, widened QRS complexes, and even ST-elevation were examined as possible selectors for benefit, and none reliably identified patients who improved with calcium. We get into the bedside implications in the episode. Potassium reality check: Among patients who achieved ROSC, potassium values were not markedly elevated, reinforcing that presumed hyperkalemia in undifferentiated OHCA is often less certain than the ECG suggests. Rhythm change after calcium: Calcium did not produce meaningful rhythm or ECG improvement after administration, undercutting the idea that an empiric dose will quickly reverse a hyperkalemic-looking arrest. Reasonable exception bucket: Routine use is hard to justify, but true hyperkalemia, calcium channel blocker overdose, and severe hypocalcemia remain plausible exception states where calcium may still belong.

Hydralazine is broken

Hydralazine is an erratic arterial vasodilator with unpredictable onset, duration, and blood-pressure response. In ED hypertension management, that matters: outside a true hypertensive emergency, IV blood-pressure lowering has unproven benefit and can create downstream harm, while cause-directed therapy beats reflexive treatment of the number. Why Hydralazine Falls Apart Erratic hemodynamic profile: Hydralazine has a poorly understood mechanism and highly variable kinetics, with a latent onset around 5 to 15 minutes and delayed hypotension reported many hours later. Unpredictable pressure drop: A single 10 mg IV dose produced widely scattered blood-pressure responses, making hydralazine essentially a dice roll rather than a titratable ED antihypertensive. Reflex sympathetic surge: Direct arterial vasodilation triggers baroreceptor-mediated catecholamine release, so tachycardia and increased cardiac output can worsen the physiology you are trying to stabilize. Delayed iatrogenic spiral: Hypotension that appears hours later may be misread as sepsis or decompensation, prompting extra tests, antibiotics, or ICU escalation. We get into that downstream cascade in the episode. Frequent adverse effects: Headache, dizziness, and hypotension are common, and one cited series reported hypotension or dizziness in 16%, hardly the profile of a benign PRN medication. Better Framing for ED Hypertension Cause before cuff: True hypertensive emergency management starts with the underlying diagnosis: SCAPE needs nitroglycerin, and aortic dissection needs impulse control with esmolol or labetalol. Bad fit emergencies: Hydralazine is a poor choice in myocardial infarction and aortic dissection because reflex tachycardia raises wall stress and myocardial oxygen demand; even the package insert warns against it. Asymptomatic pressure elevations: For uncomplicated asymptomatic hypertension, evidence does not show benefit from acute IV lowering in the ED, and aggressive treatment may cause more harm than good. Practical safer default: If you truly must lower blood pressure before admission, a one-time labetalol 5 to 10 mg is the headline alternative: generally safer, more predictable, and better tolerated. Fix the real issue: Check missed home medications and treat pain or nausea before blaming the blood pressure itself. That bedside reframing is worth hearing in the chapter. Pregnancy and Inpatient Practice Pregnancy evidence signal: In severe hypertension of pregnancy, meta-analysis linked hydralazine to more maternal side effects, reflex tachycardia, delayed maternal hypotension, and more fetal bradycardia than alternatives. No outcome advantage: Despite its long hospital habit, hydralazine did not show better blood-pressure control than labetalol or nifedipine in pregnancy, undercutting the argument for routine use. Culture of reflex dosing: Hydralazine remains a common inpatient go-to, but one study found only 7.5% of physicians evaluated the patient before ordering it, a telling marker of number-chasing over diagnosis. Missed long-term management: In that same practice pattern, only 25% of patients had their chronic antihypertensive regimen adjusted, so acute PRN treatment often substitutes for actual blood-pressure care.

ACLS Updates

Cardiac arrest care has shifted toward fewer, higher-yield interventions: prioritize high-quality CPR, use waveform capnography to guide ventilation, and avoid reflex early intubation. The 2020 ACLS updates also narrow vasopressor strategy to epinephrine and define where intra-arrest VA ECMO may fit. 2020 ACLS Cardiac Arrest Pearls Capnography over reflex intubation: Waveform EtCO2 is the preferred bedside tool to monitor ventilation during resuscitation, and unless airway obstruction caused the arrest, immediate endotracheal intubation is usually not the priority. Fast familiar airway choice: Advanced airways have not shown better clinical outcomes in arrest, so the best device is often the one your team can place quickly without interrupting compressions, a nuance we get into in the episode. Single vasopressor strategy: Epinephrine remains the go-to vasopressor; piling on multiple pressors adds complexity without improving favorable neurologic outcomes after cardiac arrest. Coronary perfusion target: The physiologic rationale for vasopressors is coronary perfusion, with diastolic blood pressure above 35 mmHg as the named goal linked to better chances of ROSC. Prehospital care matters most: Cardiac arrest outcomes are tied closely to early bystander and EMS actions, and hands-only CPR remains one of the strongest evidence-based links in the Chain of Survival. Naloxone in BLS guidance: The updated guidelines explicitly mention naloxone at the BLS level, reflecting opioid-associated arrest care while keeping compressions and basic resuscitation fundamentals front and center. ECLS and Post-Arrest Priorities Selective intra-arrest VA ECMO: ECLS in adult arrest means VA ECMO, not VV ECMO, and it is not routine care; the strongest signal is in carefully selected refractory VF or pulseless VT. Time-sensitive cannulation window: ECLS success falls off quickly with delay, with cannulation ideally occurring within 15 minutes of arrest. We walk through the systems implications in the chapter. Protocolized team response: Intra-arrest ECMO is a full-system intervention, not a solo procedure, so programs need a clear activation pathway, role assignment, and candidate selection process. Temperature management emphasis: After ROSC, avoiding hyperthermia appears more important than chasing a specific low target temperature, shifting post-arrest care toward disciplined temperature control. Immediate cath for STEMI: Post-arrest patients with STEMI still need urgent coronary angiography, a high-stakes step that should not be missed once circulation is restored.

Lit Matters 2: Early norepi for septic shock

Septic shock is not just hypovolemia; vasoplegia and inflammatory vascular dysfunction make prolonged hypotension dangerous even while fluids are still running. Early norepinephrine appears safe and may improve survival, organ perfusion, and fluid balance in sepsis resuscitation. Early norepinephrine in septic shock Vasoplegia-driven shock physiology: Septic shock is an afterload problem as much as a volume problem, with cytokine-mediated vasodilation making blind fluid loading an incomplete resuscitation strategy. Timing signal for norepinephrine: Starting norepinephrine within 3 hours was associated with lower 28-day mortality than later initiation, a clinically meaningful survival signal in this retrospective cohort. Fluid-sparing resuscitation effect: Early norepinephrine was linked to far less fluid exposure, with roughly 18 mL/kg versus 79 mL/kg, supporting pressors as a way to limit overload while restoring perfusion. Organ support and recovery: Earlier norepinephrine correlated with fewer ventilator days, more pressor-free days, and less AKI and organ failure progression, benefits we put in bedside context in the episode. Delay carries measurable risk: A prior septic shock cohort found mortality rose with norepinephrine delay, about 5.3% for each hour within the first 6 hours, reinforcing that waiting is not benign. Practical safety reassurance: The main concern with earlier pressors is complication burden, yet this analysis found similar peak norepinephrine requirements and a shorter overall duration of vasopressor use.

Legal Lessons: Missteps and myths involving consent and capacity

Decision-making capacity in the ED is task-specific and applies to refusal as much as consent. Emergency exception, EMTALA, parental refusal, and AMA documentation all hinge on the same practical question: does the patient understand risks, benefits, alternatives, and the consequences of saying no? Capacity, Consent, and Emergency Exception Task specific capacity standard: Capacity is the ability to understand risks, benefits, alternatives, and the consequences of refusal, then communicate that understanding back; the same standard applies to refusing life-saving care. Capacity versus competence distinction: Competence is a legal determination, while capacity is a bedside clinical judgment; avoid charting competence when what you assessed was decision-making capacity. Implied consent doctrine: When an immediate threat to life or health is present, treatment can proceed under emergency exception despite refusal, guided by reasonableness, good faith, and the patient's best interest. Dynamic capacity reassessment: Capacity can change over hours as shock, sepsis, intoxication, or delirium evolve, so an earlier refusal does not lock in a later decision. We get into the field-to-ED reassessment logic in the episode. EMTALA screening obligation: EMTALA requires a medical screening exam even when consent questions are messy, though non-emergency interventions may wait until the legal and clinical picture is clearer. EMS, Documentation, and AMA Pitfalls Good faith EMS transport: EMS is generally protected when transporting a patient in good faith after concluding the patient or surrogate lacks capacity and serious disability or death is reasonably likely without care. Online medical control duty: Once medics call for advice, a doctor-patient relationship exists; if capacity is in doubt, speak directly with the patient or family and use a recorded line when available. AMA note over form: The legal weak point is usually thin documentation, not a missing AMA form; document capacity, the risks discussed, alternatives offered, and the patient's stated reasoning. Best interest discharge care: Even when a patient leaves against medical advice, continue acting in their best interest with prescriptions, care instructions, and explicit return precautions rather than a bare refusal note. Insurance denial myth: The persistent claim that insurance will not pay for an AMA visit is largely myth and should not be used as leverage in a capacity or refusal conversation. Pediatrics, Parents, and Refusal Limits Parental rights not absolute: Parents have broad authority, but it stops short of exposing a child to serious preventable harm; intoxication, incapacity, or dangerous refusal can justify overriding parental wishes. Emergency treatment for minors: All states allow emergency care for minors without parental consent, and many also permit minors to seek confidential care for pregnancy, STIs, substance use, or mental health. Religious refusal boundary: Religious belief does not permit parents to let a child die from treatable illness; Wisconsin v Neumann is a stark reminder that preventable pediatric death can lead to homicide convictions. Prince v Massachusetts precedent: The core legal principle is that parents may choose martyrdom for themselves, not for their children, a distinction that still frames emergency refusal cases involving minors. In loco parentis doctrines: In loco parentis allows another adult to act in place of a parent, while parens patriae empowers the state to protect a child when no safe decision-maker is effectively doing so. We walk through where those doctrines matter in the episode.

The pain-free STEMI

STEMI often presents without chest pain, especially in older adults, women, and patients with diabetes. In adults over 85, roughly 40% to 45% of STEMIs are pain-free, and delayed ECGs and reperfusion help explain the higher mortality in this underrecognized ACS group. Pain-Free STEMI Recognition Misleading symptom labels: Calling ischemic symptoms “atypical” obscures risk, because older adults commonly present with dyspnea, syncope, weakness, or abdominal complaints rather than the textbook substernal pain story. High-risk older adults: Adults over 85 have STEMI without chest pain in about 40% to 45% of cases, making absence of pain a dangerous reason to down-rank ACS. Why pain is absent: Neuropathy, impaired pain perception, ischemic preconditioning, collateral flow, and underlying lung disease can shift MI presentation toward dyspnea or nonspecific symptoms instead of chest discomfort. Alternative ischemic symptoms: Dyspnea, diaphoresis, nausea or vomiting, syncope, altered mental status, and generalized weakness can all be the first clue to occlusive MI. We get into the bedside pattern recognition in the episode. Age-based ECG triggers: There are validated age-based criteria for obtaining an immediate 12-lead ECG when chest pain is absent, linking symptoms like dyspnea, syncope, AMS, and abdominal pain to STEMI screening. We walk through the age cutoffs in the chapter. Consequences of Missed ACS Delayed diagnostic workup: Patients without chest pain wait longer for ECGs and ACS evaluation than patients with chest pain, even though the nonpain presentation carries higher mortality. Less definitive reperfusion: Older patients presenting without chest pain are almost half as likely to undergo PCI, a treatment gap that likely contributes to worse outcomes. Prehospital ECG disparity: Pain-free STEMI is less likely to trigger a prehospital 12-lead, removing one of the fastest pathways to cath-lab activation and timely reperfusion. Medication treatment gap: Patients without chest pain are also less likely to receive aspirin, a statin, or a beta-blocker, showing how symptom framing changes downstream care. Older adults may benefit more: Aggressive early treatment may help older patients at least as much as younger patients, an important reminder not to let age or absent pain blunt reperfusion urgency.

Lit Matters 3: Traumatic arthrotomy - Do they need the OR?

Traumatic arthrotomy does not automatically require the operating room. For small periarticular wounds with minimal contamination, septic arthritis appears uncommon with bedside irrigation, closure, antibiotics, and close orthopedic follow-up, while heavily contaminated injuries and associated fractures remain a different category. Traumatic Arthrotomy Management Selective nonoperative pathway: Small wounds under 5 cm with minimal to no contamination were the group most often managed without the OR, challenging the old dogma that every violated joint needs formal operative washout. Septic arthritis signal: In this multicenter cohort, septic arthritis was rare overall, with 1 case in the nonoperative group versus 7 in the operative group, though the surgical patients started with more severe injuries. Markers of higher risk: Large wounds, heavy contamination, intraarticular fracture, and other associated injuries were the common reasons patients went to the OR, a distinction worth hearing in the episode. Diagnosis still imperfect: Saline load testing remains logistically awkward and variably sensitive, and CT for pneumarthrosis is most discussed for the knee despite thin evidence outside that setting. Antibiotic strategy matters: Cefazolin was the usual IV agent in operative care, while cephalexin or clindamycin were common oral choices in nonoperative management, reinforcing that antibiotics remain part of either pathway. Resource use difference: Median treatment charges were about $1,089 for nonoperative care versus $11,973 for operative management, but cost should follow clinical risk rather than drive the decision alone.