EXHIBIT 12.1

RADNET, INC. AND SUBSIDIARIES

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

 (in thousands)

(unaudited)

	Three Months Ended						Nine Months Ended						Years Ended												Two Months Ended						Years Ended
	September 30,						September 30,						December 31,												December 31,						October 31,
	2010			2009			2010			2009			2009			2008			2007			2006			2006			2005			2006			2005
Earnings:
Pre-tax net loss (1)		$64			$(1,471	)		$(15,554	)		$(2,554	)		$(1,732	)		$(12,582	)		$(17,196	)		$(17,657	)		$(10,918	)		$(155	)		$(6,894	)		$(3,570	)
Less: Equity in earnings of unconsolidated joint ventures		(2,282	)		(1,751	)		(6,114	)		(6,839	)		(8,456	)		(9,791	)		(5,944	)		(586	)		(503	)		-			(83	)		-
Plus: Distributions from unconsolidated joint ventures		2,795			2,489			8,339			6,852			7,667			7,982			6,464			179			179			-			-			-
Fixed charges		16,932			14,173			54,937			44,482			57,521			66,302			58,059			34,532			12,569			3,433			25,396			20,132
Total adjusted earnings		$17,509			$13,440			$41,608			$41,941			$55,000			$51,911			$41,383			$16,468			$1,327			$3,278			$18,419			$16,562
Fixed charges:
Interest expense (including debt issue costs amortized to interest expense)		$12,781			$12,367			$35,477			$38,538			$49,193			$51,811			$44,294			$23,012			$5,620			$2,970			$20,362			$17,493
Write-off of debt issue costs					-			7,559			-			-			-			-			7,009			4,912			-			2,097			-
Portion of rent expense representative of the interest factor (2)		4,151			3,632			11,901			10,839			14,447			14,491			13,765			4,511			2,037			463			2,937			2,639
Fair value adjustments of cash flow hedges reclassified from OCI to interest expense		-			(1,826	)		-			(4,895	)		(6,119	)		-			-			-			-			-			-			-
Total fixed charges		$16,932			$14,173			$54,937			$44,482			$57,521			$66,302			$58,059			$34,532			$12,569			$3,433			$25,396			$20,132
Ratio of earnings to fixed charges		1.03			0.95			0.76			0.94			0.96			0.78			0.71			0.48			0.11			0.95			0.73			0.82
Additional earnings required to have a one-to-one ratio of earnings to fixed charges		$(577	)		$733			$13,329			$2,541			$2,521			$14,391			$16,676			$18,064			$11,242			$155			$6,977			$3,570

(1)  Excludes net income attributable to noncontrolling interests

(2)  Represents one-third of operating lease costs, which approximates the portion that relates to the interest portion