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ICU Physiology in 1000 Words: Phenylephrine Pushes & Stroke Volume

PulmCCM

To focus matters, the hemodynamic variable under consideration is the stroke volume [SV]; in other words, how does a push of phenylephrine affect SV? ’ Diminished stroke volume? evaluated phenylephrine in 7 critically-ill patients with ‘hyperdynamic’ sepsis [defined as sepsis with CO above 6.0

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EM@3AM: Stercoral Colitis

EMDocs

Clinical exam: 2, 3, 9 Abdominal distension and tenderness Nausea and vomiting Stool present in the rectal vault Peritonitis may be accompanied by hemodynamic instability in the case of sepsis. 2-4, 6 If there is a concern for perforation or sepsis, surgical consultation, blood cultures, empiric antibiotics, and fluids are recommended.

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Big Labs, Little People

Pediatric Emergency Playbook

Less common causes of troponemia are: Kawasaki disease, pediatric stroke, or neuromuscular disease. Lactate A sick child with sepsis syndrome? In the adult literature, we know that a lactate level above 4 mmol/L in patients with severe sepsis was associated with the need for critical care. The short answer – yes.

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Pediatric Status Epilepticus

Pediatric Emergency Playbook

Pediatric status epilepticus is analogous to the multi-organ dysfunction syndrome in severe sepsis. Case 3: Headache and Arteriovenous Malformation Unlike in adults, stroke in children is divided evenly between hemorrhagic and ischemic etiologies. Pediatric Seizures and Strokes: Beyond Benzos and Brain Scans. 2012; 79:2355-2358.

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Approach to Shock

Pediatric Emergency Playbook

Distributive Shock The most common cause of distributive shock is sepsis, followed by anaphylactic, toxicologic, adrenal, and neurogenic causes. Children with sepsis come in two varieties: warm shock and cold shock. Surviving sepsis campaign: international guidelines for management of severe sepsis and septic shock: 2012.

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Nephrolithiasis: Ultrasonography versus Computed Tomography

Northwestern EM Blog

He endorses nausea without vomiting and denies fever. were hospitalizations during f/u period; 26.4% vs. Emergency department visits, use of imaging, and drugs for urolithiasis have increased in the United States. Kidney international , 83 (3), 479-486. Coursey, C. Casalino, D. Arellano, R. Bishoff, J. Dighe, M., & Leyendecker, J. Bailitz, J.,

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Neonatal Respiratory Physiology

Mind The Bleep

This can be caused by high cardiac output in sepsis, uncoupled respiratory chain not producing ATP in hypermetabolic states Relationship between delivery, consumption and extraction of oxygen. Hypoxia can be caused by insufficient oxygen supply, V:Q mismatch, anaemia, poor circulation, ischaemia or sepsis. References Biorender.