S2

Early exacerbation — one cardinal symptom increased

COPD overlay finding one of the three cardinal symptoms increased over the interval — sputum volume has risen while dyspnea and purulence are unchanged; SpO₂ is 90% on the ordered 2 L/min without an increased oxygen requirement. Per the written action plan yellow zone and the standing orders, the increased-symptom finding was communicated to the provider at 10:30; orders to begin the ordered rescue and monitor were received and taught. Rescue use and the cardinal symptoms will be reassessed next visit to confirm the patient does not progress; the yellow-zone actions were reinforced with correct teach-back.

S3

Exacerbation requiring steroids and antibiotics

COPD overlay finding two cardinal symptoms increased — dyspnea and sputum purulence are both increased over the interval, with sputum now green, and rescue-inhaler use has risen above the ordered twice-daily limit to roughly every three hours. SpO₂ is 89% on the ordered 2 L/min, at the ordered floor. The provider was notified at 13:15 with the cardinal-symptom change and rescue escalation; orders for an oral corticosteroid and an antibiotic were received and initiated, with steroid-related glucose monitoring arranged. The action plan, medication purpose, and the red-zone signs were reinforced; symptoms and saturation will be reassessed next visit.

S4

Rising oxygen requirement

COPD overlay identifying that the patient now needs 4 L/min to hold an SpO₂ of 90% when the standing order is 2 L/min — a rising oxygen requirement that signals a worsening rather than a stable state. The oxygen was not titrated above the ordered ceiling without an order; the provider was notified at 11:05 with the finding, and orders to adjust the flow and evaluate for an exacerbation were received. The patient was educated not to increase oxygen without an order and on the red-zone signs; the oxygen requirement and cardinal symptoms will be reassessed.

S5

Impending respiratory failure

COPD overlay finding severe dyspnea with marked accessory-muscle use, an inability to speak more than two words at a time, and an SpO₂ of 82% that does not rise with the ordered oxygen — findings of impending respiratory failure. EMS was activated immediately; the patient was positioned upright and the oxygen continued; the provider was notified at 14:40. Work of breathing, saturation, and mentation were monitored continuously pending transport.

S6

Carbon-dioxide narcosis

COPD overlay finding new drowsiness and confusion with flushed skin in a known carbon-dioxide retainer whose oxygen had been turned up above the order at home — findings concerning for carbon-dioxide narcosis. EMS was activated; the oxygen was returned to the ordered flow rather than increased further, with the patient kept upright and monitored; the provider was notified at 09:50. Mentation and respiratory status were monitored pending transport, and the caregiver re-taught never to raise the flow without an order.

S7

Inhaler technique corrected

COPD overlay in which observation showed the patient actuating the metered-dose inhaler before beginning to inhale, delivering little drug — an error that undermines the maintenance regimen. The technique was corrected and a spacer reviewed; the patient then return-demonstrated correct actuation-inhalation coordination. The corrected technique restores delivery of the prescribed therapy; each device was reviewed and the patient return-demonstrated all correctly, with the improvement to be confirmed next visit.

S8

Cor pulmonale signs

COPD overlay identifying new bilateral lower-extremity edema with a weight gain of 6 lb over five days, exceeding the ordered 5-lb weekly threshold — findings concerning for right-heart strain from COPD. The provider was notified at 15:20 with the weight and edema; orders for evaluation were received. The patient was educated on daily weights, the weight-gain threshold to report, and edema monitoring; weight and edema will be reassessed and coordinated with Cardiovascular (cross-reference Cardiovascular).

S9

Action plan mastered, exacerbations reduced

COPD overlay documenting that the patient, taught the written action plan over prior visits, correctly stated the green-, yellow-, and red-zone actions and has had no exacerbation in the interval, with rescue use within the ordered limit and SpO₂ 91% on the ordered 2 L/min. The mastery of the action plan and the reduced exacerbation frequency, measured against the ordered parameters and the documented exacerbation history, confirm the teaching is effective; the plan and inhaler technique were reinforced, and the exacerbation history was updated in the record.