J Med Cases

Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access

Article copyright, the authors; Journal compilation copyright, J Med Cases and Elmer Press Inc

Journal website https://jmc.elmerpub.com

Case Report

Volume 16, Number 1, January 2025, pages 17-22

Gastric Antral Vascular Ectasia Syndrome With Aortic Stenosis: A Twist on Heyde Syndrome?

Figures

Figure 1. An endoscopic image showing gastric antral vascular ectasia in the gastric antrum with spontaneous bleeding (black arrow) requiring argon plasma coagulation (green arrow).

Figure 2. (a, b) Endoscopic images showing moderate nodular gastric antral vascular ectasia without bleeding (black arrow). (c, d) GAVE status post argon plasma coagulation (green arrow). GAVE: gastric antral vascular ectasia.

Table

**Table 1.** Pertinent Admission Laboratory Results for Cases 1 and 2
Laboratory test	Case 1	Case 2	Reference value
eGFR: estimated glomerular filtration rate; N/A: not applicable/available.
Sodium	140	140	135 - 145 mEq/L
Potassium	4.3	4.6	3.5 - 5.0 mEq/L
Blood urea nitrogen	45	53	7 - 23 mg/dL
Creatinine	1.96	6.55	0.60 - 1.30 mg/dL
eGFR	25	8	≥ 60 mL/min/1.73 m²
White blood cell count	8.2	2.7	4.5 - 11.0 × 10³/mm³
Hemoglobin level	5.7	7.4	12.0 - 16.0 g/dL
Mean corpuscular volume (MCV)	82.7	118.1	80.0 - 100.0 fL
Platelet count	264	104	140 - 440 × 10³/mm³
Hemoglobin A1c	8.3	N/A	4.0-6.0%
Iron level	25	237	50 - 212 µg/dL
Total iron binding capacity	413	261	250 - 450 µg/dL
Iron saturation	6.0	91	15-50%
Ferritin	9.0	528.0	16.4 - 294.0 ng/mL
Transferrin	277	175	201 - 355 mg/dL
Folate	> 24	> 22.3	≥ 4.1
Vitamin B12	446	698	211 - 911 pg/mL