REAGENT OR RESOURCE	SOURCE	IDENTIFIER
Chemicals, peptides and recombinant proteins
5-(N-Ethyl-N-Isopropyl) Amiloride	Tocris	Compound CID: 1795; Cat. No. 3378
BAPTA	Tocris	Compound CID: 104751; Cat. No. 2786
Cadmium	Sigma Aldrich	Compound CID: 23973: Cat. No. GF58541272
Diltiazem	Tocris	Compound CID: 39186; Cat. No. 0685
Fendiline	Tocris	Compound CID: 3336; Cat. No. 6407
Flecainide	Tocris	Compound CID: 3356; Cat. No. 1470
Furosemide	Tocris	Compound CID: 3440; Cat. No. 3109
Gadolinium chloride hexahydrate	Sigma Aldrich	Compound CID: 71308319; Cat. No. G7532
Lidocaine	Tocris	Compound CID: 3676; Cat. No. 3057
Nifedipine	Tocris	Compound CID: 4485; Cat. No. 1075
Ouabain	Tocris	Compound CID: 439501; Cat. No. 1076
Quinidine	Tocris	Compound CID: 441074; Cat. No. 4108
Silver Nitrate	Sigma Aldrich	Compound CID: 24470; Cat. No. 209139
Tetraethylammonium chloride	Tocris	Compound CID: 5946; Cat. No. 3068
Tetrodotoxin	Tocris	Compound CID: 5946; Cat. No. 1078
Thapsigargin	Tocris	Compound CID: 446378; Cat. No. 1138
Wortmannin	Tocris	Compound CID: 312145; Cat. No. 1232
Experimental models: organisms
Chicken embryos: Egg, SPF, Premium	Charles River	Cat. No. 10100326
Software and algorithms
MatLab	MathWorks	RRID:SCR_001622; https://www.mathworks.com/products/matlab.html