Simple Cystitis — The Starting Point
Placeholder: bladder-only infection, mild symptoms, oral therapy usually sufficient.
- E. coli: Typical pathogen (Placeholder short note)
- Oral: First-line route (Placeholder short note)
- Rare: Fever present (Placeholder short note)
- 3–5 days: Course length (Placeholder short note)
Bladder-confined infection basics
Placeholder short paragraph describing simple cystitis mechanics.
Ascending Infection to the Kidney
Placeholder: bacteria ascend ureters, reaching renal pelvis and parenchyma.
- Ureters: Ascent route (Placeholder short note)
- Reflux, stasis: Risk factors (Placeholder short note)
- Hours-days: Onset (Placeholder short note)
- Renal swelling: Imaging clue (Placeholder short note)
How infection climbs to the kidney
Placeholder short paragraph describing ascending infection pathway.
Fever and Flank Pain Onset
Placeholder: systemic fever and costovertebral angle tenderness emerge.
- >38.5°C: Fever threshold (Placeholder short note)
- Flank/CVA: Pain site (Placeholder short note)
- Common: Nausea (Placeholder short note)
- Same-day eval: Urgency (Placeholder short note)
Recognizing systemic pyelonephritis signs
Placeholder short paragraph describing fever and flank pain findings.
Sepsis Warning Signs
Placeholder: tachycardia, hypotension, confusion mark systemic spread.
- ≥2 signs: qSOFA cue (Placeholder short note)
- >90 bpm: Heart rate (Placeholder short note)
- Falling: BP trend (Placeholder short note)
- Altered: Mental status (Placeholder short note)
Spotting early urosepsis
Placeholder short paragraph describing sepsis warning progression.
Oral to IV Antibiotic Transition
Placeholder: severity crossing threshold triggers switch to IV antibiotics.
- Severity >55%: Switch trigger (Placeholder short note)
- Ceftriaxone: IV first-line (Placeholder short note)
- Often required: Admission (Placeholder short note)
- 24–48h: Reassessment (Placeholder short note)
Deciding the IV escalation moment
Placeholder short paragraph describing the oral-to-IV switch decision.
Placeholder: escalate to IV promptly once sepsis signs or high fever appear.