Current report filing

Document and Entity Information

Document and Entity Information
Jan. 06, 2023
Document And Entity Information [Line Items]  
Entity Registrant Name SeaStar Medical Holding Corp
Amendment Flag false
Entity Central Index Key 0001831868
Document Type 8-K
Document Period End Date Jan. 06, 2023
Entity Incorporation State Country Code DE
Entity File Number 001-39927
Entity Tax Identification Number 85-3681132
Entity Address, Address Line One 3513 Brighton Blvd.
Entity Address, Address Line Two Suite 410
Entity Address, City or Town Denver
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80216
City Area Code (813)
Local Phone Number 222-8996
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Common Stock 0.0001 Par Value 2 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, $0.0001 par value
Trading Symbol ICU
Security Exchange Name NASDAQ
Warrants Each Whole Warrant Exercisable For One Share Of Common Stock For 11.50 Per Share 1 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Warrants, each whole warrant exercisable for one share of Common Stock for $11.50 per share
Trading Symbol ICUCW
Security Exchange Name NASDAQ