Sepsis is not a single disease but a dysregulated (uncontrolled and harmful) immune response to infection that attacks the body's own organs. Every hour of delay in treatment increases the complication risk. A patient with fever, confusion, and low blood pressure has hours before irreversible organ damage. At CARE Hospitals, the sepsis protocol is activated from the moment the diagnosis is suspected, not after it is confirmed.

What is Sepsis?

Sepsis is a life threatening condition that develops when the body's response to an infection turns against itself. What begins as the immune system fighting off bacteria, viruses or fungi can turn into an overwhelming inflammatory response that damages blood vessels, disrupts clotting and impairs blood flow to the brain, kidneys, heart and lungs.

Septic shock is the most severe stage of this process. Blood pressure drops to dangerously low levels and does not respond to fluids alone. At this point medications are needed to support circulation and keep the organs perfused. Sepsis-associated organ dysfunction like acute kidney injury, ARDS (acute respiratory distress syndrome), liver failure and coagulopathy (clotting failure) can persist long after the infection is treated.

Common Causes of Sepsis

Any infection can trigger sepsis however some sites and organisms carry a higher risk.

• Pneumonia: The most common sepsis source in adults particularly bacterial (Streptococcus pneumoniae, Klebsiella, Staphylococcus aureus) and viral (influenza, COVID-19)
• Urinary tract infection: Untreated infections of the bladder or kidneys like pyelonephritis (kidney infection) can spread gram-negative bacteria such as E. coli and trigger sepsis
• Abdominal infection: Perforated bowel, appendicitis, cholangitis (bile duct infection), or peritonitis releasing gut bacteria into the bloodstream
• Skin and soft tissue infection: Cellulitis (skin infection), necrotising fasciitis (rapidly spreading deep tissue infection), and infected wounds
• Bloodstream infection: Bacteria entering from IV lines, urinary catheters or surgical wounds; healthcare-associated sepsis is a major hospital trigger
• Meningitis: Particularly meningococcal disease and Streptococcus pneumoniae; progresses to sepsis rapidly in children and young adults
• Immunocompromised patients: Chemotherapy, corticosteroids, immunosuppressants or HIV/AIDS dramatically raise sepsis risk from organisms that would not harm a healthy person.

Signs and Symptoms of Sepsis

Sepsis is a clinical diagnosis and a combination of infection and organ dysfunction is the key. Common symptoms are:

• Fever above 38°C or hypothermia (below 36°C): Both extremes indicate sepsis; a cold, clammy patient without fever can be more severely ill than a febrile one
• Heart rate above 90 beats per minute (tachycardia): Compensating for falling blood pressure and poor tissue perfusion
• Respiratory rate above 20 breaths per minute (tachypnoea): Compensating for metabolic acidosis 
• Confusion or altered consciousness: Reduced brain perfusion; often the first sign noticed by family
• Reduced urine output: Less than 0.5 ml/kg/hour for two consecutive hours indicates acute kidney injury
• Low blood pressure (systolic below 90 mmHg): A late sign; significant organ damage is already occurring when it falls
• Mottled or dusky skin and cold extremities: Indicate peripheral vasoconstriction (vessels narrowing to protect core organs)
• Jaundice (yellowing of skin and eyes): Liver involvement from sepsis-related hepatic (liver) dysfunction.

First Aid for Sepsis (Before Reaching Hospital)

Sepsis requires IV antibiotics, fluids, and monitoring. First aid aims to get the patient to hospital as fast as possible:

• Recognise the warning signs: Any patient with a known infection who develops confusion, rapid breathing, extreme pallor or a very fast or slow heart rate has possible sepsis. 
• Call emergency services immediately: Ambulance transfer is safer than a private vehicle as paramedics establish IV access, give oxygen, and relay information before arrival. 
• Keep the patient warm and still: Septic patients lose heat rapidly from peripheral vasodilation (vessel widening). Cover with blankets and minimise exertion.
• Do not give food or drink: Vomiting is common in sepsis and the patient may need emergency procedures. An empty stomach reduces aspiration risk.
• Bring all medications: Collect all prescription medications including antibiotics already prescribed, immunosuppressants, chemotherapy records and diabetes medications. This guides antibiotic escalation decisions in the emergency department.

When to Seek Emergency Care for Sepsis

These signs in any patient with a confirmed or suspected infection require immediate emergency assessment:

• New confusion or extreme drowsiness in a patient with fever or infection
• Breathing faster than 22 breaths per minute at rest
• Heart rate above 100 at rest, or very slow and irregular
• Systolic blood pressure below 90 mmHg, or a 40 mmHg drop from the patient's normal reading
• Cold, mottled, or very pale skin in a patient who feels unwell
• Reduced or absent urine for six or more hours
• Fever above 39°C not responding to paracetamol within two hours, particularly in the very young, elderly, or immunocompromised
• Petechiae (small flat red or purple spots that do not fade when pressed).

Emergency Treatment at the Hospital for Sepsis

Sepsis requires immediate medical treatment to control the infection, stabilise vital functions, and prevent organ damage:

• Blood cultures before antibiotics: Two blood cultures drawn within 15 minutes of sepsis recognition before antibiotics.
• Intravenous antibiotics within one hour: Doctors start broad-spectrum IV antibiotics within one hour - the most time-critical intervention. Antibiotic choice is narrowed once culture and sensitivity results return.
• Intravenous fluid resuscitation: IV fluids are administered to restore blood pressure, circulating volume and organ perfusion.
• Oxygen therapy: Supplemental oxygen is provided to ensure adequate oxygen delivery to tissues and organs.
• Vasopressors for septic shock: Norepinephrine (noradrenaline) is first-line when blood pressure fails to recover with fluids. Vasopressin is added as a second agent. All managed in the ICU.
• Source control: The infection source must be removed or drained including abscess drainage, catheter removal, IV line replacement, or emergency surgery for perforated bowel or necrotising fasciitis. Source control within six to twelve hours significantly reduces mortality.
• Continuous monitoring: Heart rate, blood pressure, urine output and organ function are closely tracked throughout treatment.

What Not to Do

These actions delay treatment or worsen outcomes:

• Do not wait for all sepsis criteria to be met before acting as sepsis is a clinical diagnosis; one organ dysfunction sign in a patient with infection is enough to start treatment
• Do not give antibiotics before blood cultures 
• Do not assume normal temperature means no sepsis 
• Do not delay source control as the antibiotics treat the systemic response but they cannot replace surgical drainage of an abscess or removal of an infected device.

Conclusion

Sepsis is the most time-sensitive emergency in internal medicine. Every hour of antibiotic delay adds more complications. At CARE Hospitals, the sepsis protocol like blood cultures, IV antibiotics within one hour, fluid resuscitation and blood pressure management is activated the moment sepsis is suspected, not after it is confirmed.

FAQs

1. What are the early warning signs of sepsis?

Warning signs are:

• Confusion or extreme drowsiness with infection
• Breathing above 22 breaths per minute
• Heart rate above 100
• Cold or mottled skin
• Reduced urine.

2. When is sepsis considered a medical emergency?

From the moment organ dysfunction is suspected alongside infection, confusion, rapid breathing, low blood pressure or reduced urine in a febrile patient suspects sepsis until proven otherwise; treatment starts without waiting for confirmation.

3. What infections commonly lead to sepsis?

Pneumonia, pyelonephritis (kidney infection), abdominal infection from perforated bowel, necrotising fasciitis, bloodstream infection from IV lines or catheters and meningitis all can progress to sepsis within hours.

4. Can sepsis cause organ failure?

Yes organ damage including acute kidney injury, ARDS (fluid in the lungs requiring ventilator support), liver failure, DIC (disseminated intravascular coagulation), and cardiac dysfunction can all occur simultaneously in severe sepsis.

5. Is ICU care required for sepsis?

Septic shock always requires ICU admission for vasopressor infusion, invasive monitoring and organ support. Uncomplicated sepsis with rapidly improving vital signs can be managed in a high-dependency unit.

6. Can sepsis recur after treatment?

Yes survivors have a significantly higher risk of a second episode within the following year, driven by persisting immune dysfunction and co-morbidities. An immunisation review is recommended after discharge.

CARE Medical Team