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CLINICAL  PROBLEM SOLVING CLINICAL  PROBLEM SOLVING

CLINICAL PROBLEM SOLVING - PowerPoint Presentation

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Uploaded On 2022-08-04

CLINICAL PROBLEM SOLVING - PPT Presentation

Two patients with fever and cough Viktor Kotarski MD ID specialist University Hospital for Infectious Diseases Zagreb Case 1 54 yearold male patient ID: 935170

lactam case fluoroquinolone history case lactam history fluoroquinolone clinical exam beta lab moxifloxacin basic days respiratory amoxicillin chest step

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Slide1

CLINICAL PROBLEM SOLVING

Two patients with fever and cough Viktor Kotarski, MD ID specialist University Hospital for Infectious Diseases, Zagreb

Slide2

Case 154-year-old male patienthistory of diabetes type II and hypertensionpresents with a 3-day history of fever (up to

38.9 °C), cough, fatique and shortness of breaththe patient had had a cold for 3-4 prior to the onset of fever (nasal congestion, runny nose, sore throat)The next step:

Detailed history and clinical exam, basic lab

Detailed history and clinical exam, basic lab

, chest X-ray

Detailed history and clinical exam, basic lab

,

chest CT scan

Slide3

The next step:

Detailed history and clinical exam, basic lab Detailed history and clinical exam, basic lab, chest X-ray

Detailed history and clinical exam, basic lab

,

chest CT scan

Slide4

Case 1Detailed history and clinical exam:Temp. 39.2 °CBP 130/80 mmHg

Pulse 92/minRF 22/minSpO2 94%Awake, alert, orientedRales on auscultation on the right lung in the parascapular areaChest X-ray:Basic lab:

L 16.5 x 10

9

/cmm

CRP 208 g/L

Slide5

Case 1The next step:treat in an outpatient settingadmit to the hospitaladmit to the ICU

Slide6

Slide7

Case 1The next step:treat in an outpatient settingadmit to the hospitaladmit to the ICU

Slide8

Case 1Treatment :beta-lactam antibiotic (penicillin, amoxicillin, cephalosporin)macrolide (azythromycin)respiratory fluoroquinolone (moxifloxacin)

beta-lactam plus macrolidebeta-lactam plus fluoroquinolone

Slide9

Case 1Treatment :beta-lactam antibiotic (penicillin, amoxicillin, cephalosporin)macrolide (azythromycin)respiratory fluoroquinolone (moxifloxacin)

beta-lactam plus macrolidebeta-lactam plus fluoroquinolone

Slide10

Case 1In reality…The patient received azithromycin 1 x 500mg p.o. for 3 daysAfter completion of treatment he didn’t feel better and went to the ER

Slide11

Case 1Detailed history and clinical exam:Temp. 38.5 °C BP 100/75 mmHgPulse 100/min

RF 30/minSpO2 92%Awake, alert, orientedCrackles in the right lung in the parascapular areaBasic lab:L 15.8 x 109/cmm

CRP 255 g/L

Chest X-ray:

No significant change in comparison to the last exam

Slide12

Case 1The next step:treat in an outpatient settingadmit to the hospitaladmit to the ICU

Slide13

Case 1Treatment:beta-lactam antibiotic (penicillin, amoxicillin, cephalosporin)macrolide (azythromycin)respiratory fluoroquinolone (moxifloxacin)

beta-lactam plus macrolidebeta-lactam plus fluoroquinolone

Slide14

Case 1 - outcomeThe patient became afebrile 2 days after ceftriaxone was added to the treatment regimenVital signs stable and within normal limitsDischarged after 3 days

Slide15

Case 248-year-old male patientpreviously healthypresents with a 4-day history of fever (up to 39.5 °C)

with rigors, chills and malaiseon the 4th day he started to cough

Slide16

Case 2Detailed history and clinical exam:Temp. 39.2 °CBP 130/80 mmHgPulse 92/min

RF 22/minSpO2 94%Awake, alert, orientedRales on auscultation on the right lung in the parascapular areaChest X-ray:Basic lab:L 16.5 x 10

9/cmm

CRP 208 g/L

Slide17

Case 2The patient was sent home with a prescription for amoxicillin 1 x 1000 mg p.o. for 10 daysAfter 4 days of treatment he didn’t feel better and came to the ER

Slide18

Case 2Detailed history and clinical exam:Temp. 38.5 °CBP 130/75 mmHgPulse 100/min

RF 28/minSpO2 92%Awake, alert, orientedRales on auscultation on the right lung in the parascapular areaBasic lab:L 15.8 x 109/cmm

CRP 350 g/L

Chest X-ray:

Slide19

Case 2The next step:treat in an outpatient settingadmit to the hospitaladmit to the ICU

Slide20

Case 2The next step:treat in an outpatient settingadmit to the hospitaladmit to the ICU

Slide21

Case 2The most probable cause of treatment failure:pleural effusion (empyema) or abscessresistant strain of S. pneumoniaeother pathogens (viruses,

S.aureus, Legionnaires disease, tuberculosis…)ARDSmalignancyother causes

Slide22

Case 2Additional workup:chest CT scanbronchoscopymicrobiological tests

serology

Slide23

Case 2Microbiological tests:blood culturesputum culturebronchoscopy + culture

tuberculosis culture, PCR, microscopy, QuantiFERON testrespiratory pathogens PCRlegionella antigen in urine

Slide24

Case 2Treatment:beta-lactam antibiotic (penicillin, amoxicillin, cephalosporin)macrolide (azythromycin)respiratory fluoroquinolone (moxifloxacin)

beta-lactam plus macrolidebeta-lactam plus fluoroquinolone

Slide25

Case 2Treatment:beta-lactam antibiotic (penicillin, amoxicillin, cephalosporin)macrolide (azythromycin)respiratory fluoroquinolone (moxifloxacin)

beta-lactam plus macrolidebeta-lactam plus fluoroquinolone

Slide26

Case 2 - outcomeLegionnaire’s disease was diagnosed by positive Legionella urinary antigen testTreatment with moxifloxacin 1 x 400mg i.v. was initiatedInitially the patient required aditional oxygen (6L/min by face mask)He became afebrile after 3 days of therapy with moxifloxacin, vital signs stable and within normal limitsDischarged after 4 days to continue treatment with oral moxifloxacin for a total of 10 days

Slide27

Treatment of CAP simplifiedVital signs!! Respiratory rate!!Outpatient setting: start with amoxicillin 3 x 500-1000 mg p.o. (watch for allergies!)Patients who require hospitalization: treat with combination therapy (beta-lactam plus macrolide) or respiratory fluoroquinolone (in case of allergies)Re-evaluate the patient after 3-4 days

If they are not getting better:maybe it’s not S. pneumoniae (consider Legionella, Mycoplasma, S.aureus, viruses, tuberculosis…) look for complications (pleural effusion, sepsis, ARDS)