VESSELS OF THE UPPER EXTREMITY COLLATERAL CIRCULATION DEFINITION

VESSELS OF THE UPPER EXTREMITY

COLLATERAL CIRCULATION • DEFINITION: • END-ARTERY:

ARTERIAL SUPPLY OF THE UPPER LIMB

SUBCLAVIAN ARTERY: • VERTEBRAL A. • INTERNAL THORACIC A. • THYROCERVICAL TR. – INFERIOR THYROIDAL A. – TRANSV. CERVICAL A. • DORSAL SCAPULAR A. (33%) – SUPRASCAPULAR A. • COSTOCERVICAL TR. – DEEP CERVICAL A. • DORSAL SCAPULAR A. (67%) • AXILLARY ARTERY

AXILLARY ARTERY: • DIVIDED INTO 3 PARTS BY PECTORALIS MINOR MUSCLE 1 ST 2 ND 3 RD OUTLINE OF PECTORALIS MINOR

AXILLARY ARTERY: • THORACOACROMIAL A. • LAT. THORACIC A. • POST. CIRCUMFLEX HUMERAL A. • ANT. CIRCUMFLEX HUMERAL A. • SUBSCAPULAR A. • BRACHIAL A.

ANASTOMOSES AROUND SCAPULA • SUPRASCAPULAR A. • THORACOACROMIAL A. • SUPSCAPULAR A. – CIRCUMFLEX SCAPULAR A. • DORSAL SCAPULAR A. • INTERCOSTAL AA.

BRACHIAL ARTERY: • PROFUNDA BRACHII – DELTOID BR. (ASC. BR. ) – MUSCULAR BRS. – MEDIAL COLLATERAL A. (POST. BR. ) – RADIAL COLLATERAL A. (ANT. BR. )

BRACHIAL ARTERY: • • • PROFUNDA BRACHII SUP. ULNAR COL. INF. ULNAR COL. MUSCULAR BRS. RADIAL & ULNAR A.

RADIAL ARTERY: • RADIAL RECURRENT A. • MUSCULAR BRS. • SUP. PALMAR BR. • D. CARPAL BR. • DEEP PALMAR ARCH

ULNAR ARTERY: • ANT. ULNAR RECUR. A. • POST. ULNAR RECUR. A. • COM. INTEROSSEOUS A. – ANT. INTEROS. A. – POST. INTEROS. A. – INTEROS. RECUR. A. • • MUSCULAR BRS. D. CARPAL BR DEEP PALMAR BR. SUP. PALMAR ARCH

PALMAR ARCHES • SUPERFICIAL – METACARPAL • DEEP – METACARPAL • COMMON METACARPAL • DIGITAL BRANCHES

VEINS

DEEP VEINS • VENAE COMITANTES • BRACHIAL V. • AXILLARY V. • SUBCLAVIAN V.

BASILIC VEIN • MEDIAL SUPERFICIAL VEIN • DRAINS INTO: – BRACHIAL VEIN – AXILLARY VEIN

AXILLARY VEIN • SUBCLAVIAN VEIN

SUBCLAVIAN VEIN • RECEIVES: – EXTERNAL JUGULAR VEIN – INTERNAL THORACIC VEIN – RIGHT LYMPH DUCT OR THE THORACIC DUCT • DRAINS INTO: – BRACHIOCEPHALIC VEIN

CEPHALIC VEIN • LATERAL VEIN • DELTOPECTORAL TRIANGLE – CLAVIPECTORAL FASCIA • DRAINS INTO: – AXILLARY VEIN

MEDIAN CUBITAL VEIN: • CONNECTS BASILIC AND CEPHALIC VEINS