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Figure 40.1. West Lung Zones. PA catheter should be placed in Zone 3 where both arterial and venous pressures are greater than alveolar pressures.     If truly a reflection of LAP,…

    When this calculation is carried through in a patient with metabolic acidosis, recognized as a fall in both pH and HCO3 concentration, a comparison can be made between the calculated…

NOTE: *GFR expressed in mL/min/1.73 m2. SCREENING FOR CKD Screening for CKD is cost-effective in high-risk populations such as African Americans, Native Americans, Hispanics, and in patients with diabetes mellitus…

Figure 15.1. Overview of the Lymphatic System. Central lymphoid organs (red) are the bone marrow, where B-cell development occurs, and the thymus, where T-cell development occurs. Peripheral lymphoid organs (green)…

Figure 98.1. Biopsy proven SCC presenting as a tender hyperkeratotic nodule. Figure 98.2. Typical Velvety Plaque of Bowen Disease. SCC in situ. NONMELANOMA SKIN CANCERS The most common cancer of…

REVIEW QUESTIONS Charles A. Morris QUESTION 1. A 46-year-old salesman presents for follow-up to his primary care doctor after a recent upper respiratory infection (URI). He was treated with moxifloxacin….

Figure 95.1. Characteristics of a screening test: sensitivity, specificity, and predictive value. WHAT INFLUENCES THE SENSITIVITY, SPECIFICITY, AND PREDICTIVE VALUE? The sensitivity and specificity of a given screening test are…

Stage 1 Mild FEV1/FVC<0.70 FEV1 ≥80% predicted Stage 2 Moderate FEV1/FVC<0.70 50% pred ≤FEV1 <80% pred Stage 3 Severe FEV1IFVC<0.70 30% pred ≤FEV1 <50% pred Stage 4 Very Severe FEV1/FVC<0.70…

Figure 7.1. Leading scale and scaly surface of tinea pedis. Also note distal lateral subungual onychomycosis on the great toe.     Definitive diagnosis of a fungal or yeast infection is made…

Figure 46.1. Pituitary Anatomy. (A), P = pituitary gland; S = sphenoid sinus; A = carotid artery; 3, 4, 6, cranial nerves III, IV, and VI; V1,V2, branches 1 and…