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EDEMA & EFFUSIONS (SEROUS EFFUSION (ACC. OF FLUID IN SEROUS CAVITY…
EDEMA & EFFUSIONS
SEROUS EFFUSION
ACC. OF FLUID IN SEROUS CAVITY
PLEURAL EFFUSION
EXCESS FLUID IN PLEURAL CAVITY
PERICARDIAL EFFUSION
EXCESS FLUID IN PERICARDIAL CAVITY
ASCITES (PERITONEAL)
EXCESS FLUID IN PERITONEAL CAVITY
LOCALISED PROCESS (EXUDATE)
NEOPLASM
PRIMARY
METASTATIC
TRAUMA
SEROSITIS
TB
UNDERLYING INFARCT
PYOGENIC BACT.
GENERALISED EDEMA
TYPES OF EDEMA FLUID
TRANSUDATE
SPECIFIC GRAVITY<1.02
IMBALANCE OF FORCES EQUILIBRATES FLUID
CHYLOUS FLUID
LOOKS FATTY
RESULT OF RUPTURE OF THORACIC DUCT SURGICALLY/ BY TUMOUR
LYMPHATIC FLUID CONTAINING CHYLOMICRONS
EXUDATE
INFLAMMATORY CELLS
LINKED WITH [+] VASCULAR PERMEABILITY
SPECIFIC GRAVITY >1.02 ( PROTEINS)
RESULT OF INFLAMMATION
STARLING PARAMETERS
HYDROSTATIC PRESSURE
FORCE PUSHING FLUID FROM CAPILLARIES TO INTERSTITIAL
OCCURS IN ARTERIES
OCCURS WHEN HP>OP IN ARTERIAL END OF CAPILLARIES
ONCOTIC/OSMOTIC PRESSURE
FORCE DRIVING FLUID FROM INTERSTITIAL SPACE INTO CAPILLARIES
OCCURS IN VEINS
OCCURS WHEN OP>HP IN VENULE END OF CAPILLARIES
CLASSIFICATION OF EDEMA
GENERALISED
[+] HP
CARDIAC FAILURE
[-] OP IN BLOOD
LOSS OF PROTEIN IN URINE
[-] PROTEIN ABSORPTION
[-] PROTEINSYNTHESIS BY LIVER
NA+ & WATER RETENTION
[+] ALDOSTERONE/CORTISONE (RAAS ACTIVATED)
[+] HP IN BLOOD & [-] OP IN BLOOD
DUE TO [+] NA+ RETENTION (RAAS)
[-] RENAL PERFUSION & GLOMERULAR FILTRATION
GLOMERULONEPHRITIS
CARDIAC FAILURE WITH LOW BP
[+] VASCULAR PERMEABILITY
SYSTEMIC HYPOXIA /PROLONGED ISCHAEMIA
SEPSIS
BACTERIAL TOXINS
GENERAL MOVEMENT OF FLUID INTO INTERSTITIAL SPACE
LOCALISED
[+] VASCULAR PERMEABILITY
ANYTHING CAUSE ACUTE INFLAMM.
ABNORMALITY OF LYMPHATICS
SURGICAL REMOVAL OF LYMPHATICS
OBSTRUCTION:
CARCINOMA
FIBROUS SCARRING DUE TO IRRADIATION
FILARIASIS ( WORMS)
CONGENITAL ABSENCE OF LYMPHATICS
[+] HP OF BLOOD
EXTERNAL PRESSURE ON VEINS
CIRRHOSIS OF LIVER WITH PORTAL HYPERTENSION
VENOUS THROMBOSIS
EXCESS INTERSTITIAL FLUID
IN BRAIN, IT'S EXCESS INTRACELLULAR OR INTERSTITIAL FLUID
SEVERE GENERALISED EDEMA WITH SEROUS CAVITY EFFUSIONS =ANASARCA