Pallor.pptx

Presentation on pallor

1. Pallor Ravi Sarswat JR1 Med4

2. Definition Paleness Pallor is the absence of the normal red dish color o f the skin and mucous membranes imparted by blood in the supe rfi cial vessels .

3. sites palpebral conjunctivae ( specifically the anterior rim ) , the oral mucosa (tongue and soft palate) palmar creases the face in general, although absence of pallor does not exclude anaemia. Nail-bed pallor lacks diagnostic value for predicting anaemia but is still often assessed by clinicians.

4. palpebral conjunctiva

5. tongue

6. palms

7. causes Pallor can be produced by edema or myxedematous tissue surrounding the super cial blood vessels, vasoconstriction, anemia, or any combination.

8. CLINICAL OCCURRENCE Localized Pallor: Cold exposure, vaso-constriction (e.g., Raynaud phenomenon), arterial insu ffi ciency (narrowed lumina, thrombosis, embolism), edema;

9. raynaud phenomena

10. Generalized Pallor: G e n er aliz e d vaso-cons trict ion—exposure to cold, severe pain, hypoglycemia, volume depletion or low cardiac output s tat e s ;

11. Chronic Pallor: Normal in some persons, anemia, renal f ailure (anemia may contribute); Paroxysmal Pallor: Apneic periods in periodic breathing, hypertensive periods rom pheochromocy-toma, vertiginous periods in Ménière disease, migraine , syncope ;

12. Obscuration of Skin Vessels: Edema, myxedema (anemia may contribute), scleroderma.

13. Clinical grading of pallor Mild: pallor of conjunctiva and/or mucous membrane. Moderate: pallor of conjunctiva and/or mucous membrane + pallor of skin. Severe: pallor of conjunctiva and/or mucous membrane + pallor of skin + pallor of palmar creases.

14. Thank you