Clinical approach to an 1) respiratory case( within the spectrum of bronchiectasis, consolidation, pleural effusion) 2) cvs case (as,ar,ms,mr)
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The above covers both cases in exam/bedside format. A few key points to drill:
High-yield mnemonics/anchors:
RESPIRATORY — the 3-sign cluster:
- Consolidation = TVF ↑ + Dull + Bronchial breathing (all three together)
- Effusion = TVF ↓ + Stony dull + Absent BS (with bronchial breathing only at the compressed upper margin)
- Bronchiectasis = Clubbing + Coarse crackles + Post-tussive clearing + 3-layer sputum
CVS — the 3-symptom triad of AS (angina → syncope → failure = 5, 3, 2 year survival untreated respectively) is a classic exam point.
AR vs MR murmur distinction:
- AR = early diastolic, lower left sternal border, collapsing pulse
- MR = pansystolic, apex → axilla, displaced apex
MS severity = S2–OS interval: shorter interval = higher LA pressure = more severe. Opening snap disappears when leaflets become immobile (heavily calcified).
MR timing of surgery: the "60/40 rule" — operate before LVEF drops below 60% or LV end-systolic diameter exceeds 40 mm, even if still asymptomatic.
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