Fever and sepsis cases are among the most time-sensitive CCS presentations on Step 3. The scoring algorithm heavily penalizes delays in antibiotic administration and fluid resuscitation. This is the one CCS topic where minutes of simulated time directly translate to points gained or lost. This article gives you the complete framework from initial presentation through escalation to ICU-level care.
The Sepsis Recognition Checklist
Before diving into orders, you need to recognize sepsis. On CCS, a febrile patient with any of the following should trigger your sepsis protocol:
SIRS criteria (need ≥2 plus suspected infection):
• Temperature > 38.3°C (101°F) or < 36°C (96.8°F)
• Heart rate > 90 bpm
• Respiratory rate > 20 or PaCO2 < 32
• WBC > 12,000 or < 4,000 or > 10% bands
qSOFA criteria (bedside screen):
• Altered mental status (GCS < 15)
• Systolic BP ≤ 100 mmHg
• Respiratory rate ≥ 22
If any combination of fever + abnormal vitals + suspected source → treat as sepsis until proven otherwise.
The First 60 Seconds: Sepsis Bundle
This is a time-critical protocol. Place all of these orders before advancing the clock:
Immediate orders:
1. IV access (large-bore, two sites if possible)
2. Lactate level — STAT
3. Blood cultures x 2 (from separate sites) — BEFORE antibiotics
4. Advance clock by 1 minute after blood cultures are ordered
5. Broad-spectrum IV antibiotics (see selection guide below)
6. IV normal saline bolus — 30 mL/kg (aggressive fluid resuscitation)
7. Pulse oximetry + cardiac monitor
8. Supplemental oxygen
9. Foley catheter (monitor urine output)
Then perform: Focused physical exam to identify the source of infection (lungs, abdomen, skin, urinary tract, CNS).
Additional source-directed labs and cultures:
• Urinalysis + urine culture (UTI/pyelonephritis)
• Sputum culture + gram stain (pneumonia)
• Chest X-ray (pneumonia)
• Wound culture (if skin/soft tissue source)
• Lumbar puncture (if meningitis suspected — after CT head)
• CBC, BMP, LFTs, coagulation panel
• Procalcitonin
• ABG or VBG
Antibiotic Selection Guide for CCS
The key principle: empiric antibiotics should be broad-spectrum and cover the most likely source. Narrow once you have culture results.
By Suspected Source
Source | Empiric Antibiotics |
Unknown source / Sepsis NOS | Vancomycin + piperacillin-tazobactam (or meropenem) |
Pneumonia (community) | Ceftriaxone + azithromycin |
Pneumonia (hospital/ventilator) | Vancomycin + piperacillin-tazobactam (or cefepime + metronidazole) |
UTI / Pyelonephritis | Ceftriaxone (or ciprofloxacin) |
Urosepsis | Vancomycin + piperacillin-tazobactam |
Intra-abdominal | Piperacillin-tazobactam (or ceftriaxone + metronidazole) |
Skin / Soft tissue (cellulitis) | Cefazolin (or vancomycin if MRSA concern) |
Necrotizing fasciitis | Vancomycin + piperacillin-tazobactam + clindamycin + surgical consult |
Meningitis | Vancomycin + ceftriaxone + dexamethasone (+ ampicillin if >50 or immunocompromised) |
Endocarditis | Vancomycin + gentamicin (adjust based on culture) |
C. difficile | Oral vancomycin (do NOT use IV vancomycin for C. diff) |
Critical Sequencing Rules
Blood cultures MUST come before antibiotics. This is a major scoring point. Order blood cultures, advance the clock by 1 minute, then order antibiotics. If you order them simultaneously, the algorithm may dock you points.
For endocarditis: Blood cultures x 3, drawn 30 minutes apart, BEFORE antibiotics. Advance the clock 30 minutes between each set.
Hour-1 and Hour-3 Targets
The Surviving Sepsis Campaign guidelines drive CCS scoring for sepsis:
Within 1 hour (of recognition):
• Measure lactate
• Obtain blood cultures before antibiotics
• Administer broad-spectrum antibiotics
• Begin 30 mL/kg IV crystalloid for hypotension or lactate ≥ 4
Within 3 hours:
• Reassess volume status (repeat lactate, assess perfusion)
• If hypotension persists despite fluids → start vasopressors
Escalation: When to Start Vasopressors
If the patient remains hypotensive (MAP < 65 mmHg) after adequate fluid resuscitation (30 mL/kg), escalate:
First-line vasopressor: Norepinephrine (levophed)
Second-line: Add vasopressin
Third-line: Add epinephrine or dobutamine (if cardiac output is low)
When vasopressors are needed:
• Transfer to ICU if not already there
• Central line placement (for vasopressor administration)
• Arterial line (for continuous BP monitoring)
• Consider stress-dose hydrocortisone if refractory shock (controversial but testable)
Monitoring the Sepsis Patient
Monitoring is critical for scoring. Every 2–4 simulated hours:
• Recheck vital signs
• Repeat lactate (should be trending down with treatment)
• Monitor urine output (target ≥ 0.5 mL/kg/hour)
• Repeat BMP (monitor renal function, electrolytes)
• Follow WBC trend
• Interval history and focused physical exam
De-escalation: Once culture results are available (usually 48–72 hours), narrow antibiotics to target the identified organism. Transitioning from broad-spectrum to targeted therapy shows the scoring algorithm that you practice antibiotic stewardship.
Fever Without Sepsis: Other Diagnoses
Not every fever is sepsis. Consider these alternative diagnoses:
Infectious but not sepsis:
• Viral URI (supportive care only)
• Uncomplicated UTI (oral antibiotics, outpatient)
• Gastroenteritis (fluids, anti-emetics)
• Sinusitis (may or may not need antibiotics)
Non-infectious fever:
• Drug fever (especially antibiotics, anticonvulsants)
• DVT / PE
• Malignancy (lymphoma, leukemia)
• Autoimmune/inflammatory (lupus flare, gout, vasculitis)
• Post-surgical fever (the 5 W's: Wind, Water, Wound, Walking, Wonder drugs)
• Transfusion reaction
Post-operative fever timeline (high-yield for floor cases):
• Day 0–1: Atelectasis ("Wind") → incentive spirometry, CXR
• Day 3–5: UTI ("Water") → UA, urine culture
• Day 5–7: Wound infection ("Wound") → examine wound, wound culture
• Day 5–7: DVT/PE ("Walking") → lower extremity doppler, D-dimer/CTPA
• Any time: Drug fever ("Wonder drugs") → review medications
Don't-Miss Diagnoses
1. Septic shock — Sepsis + hypotension refractory to fluids. Start vasopressors, transfer to ICU.
2. Meningitis — Fever + AMS + neck stiffness. Start antibiotics immediately.
3. Necrotizing fasciitis — Fever + rapidly spreading erythema + severe pain + crepitus. Emergent surgical consult.
4. Endocarditis — Fever + new murmur + embolic phenomena. Multiple blood cultures before antibiotics.
5. Neutropenic fever — Fever in a patient with ANC < 500. Empiric cefepime or meropenem immediately.
6. Epidural abscess — Fever + back pain + neurological deficits. MRI spine, emergent surgical consult.
The Complete Order Set: Fever/Sepsis (ER)
Immediate (Bundle):
• IV access x 2, cardiac monitor, pulse ox, O2
• Lactate — STAT
• Blood cultures x 2 → advance 1 min → broad-spectrum antibiotics
• NS bolus 30 mL/kg
• Foley catheter
Labs:
• CBC, BMP, LFTs, coagulation panel
• Procalcitonin, ABG
• UA + urine culture
• Sputum culture (if pulmonary source)
Imaging:
• CXR
• CT as directed by suspected source
• CT head (if AMS present)
Source Control:
• Surgical consult (abscess, necrotizing fasciitis, cholangitis)
• IR consult for percutaneous drainage if applicable
Monitoring (every 2–4 hours):
• Vitals, urine output
• Repeat lactate at 3–6 hours
• Repeat BMP
Escalation:
• Norepinephrine if MAP < 65 despite fluids
• ICU transfer
• Central line, arterial line
• Stress-dose hydrocortisone if refractory shock
Disposition and Follow-up:
• ICU for septic shock or hemodynamically unstable
• Floor for uncomplicated infections
• Follow-up appointment on discharge
• Preventive care: pneumococcal and influenza vaccines
• Smoking cessation if applicable
Related Chief Complaint Articles:
• CCS Chest Pain: Orders, Algorithms & Don't-Miss Diagnoses
• CCS Shortness of Breath: Complete Approach & Order Sets
• CCS Abdominal Pain: Step-by-Step Workup & Management
• CCS Altered Mental Status: First 60 Seconds to Disposition
• Ultimate Guide to CCS Section of Step 3 (2026)