Early signs of cardiac arrest

28 Jun, 2025 Credit: Pexels

Sudden Loss of Consciousness

[{"selector":"#anim-c80069ac-d1e4-4486-b9f0-5a7a6b644105","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-326e2262-ea17-4633-bd7c-84d65c030ead","keyframes":{"transform":["translate3d(0px, 273.85616%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b859689d-40aa-4e2b-8548-5355034b6058","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-66a63441-e697-437f-af9f-5ca9ce33b5b1","keyframes":{"transform":["translate3d(0px, 545.13828%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-272d1d12-9fa0-4181-95da-0bf7d0c2b7de","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-df2dc541-c256-47ad-9715-d9745cf6ab72","keyframes":{"transform":["translate3d(0px, 427.77791%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1300d6bf-6014-4acb-a2de-3359f7dc8ad0","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e2a1e08e-fd14-4644-ba52-59e9644b8e71","keyframes":{"transform":["translate3d(0px, -748.24954%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5819c104-aa1c-498c-a59b-92c6f0b93799 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-12.811054077382309%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] This is often the most obvious sign, as the heart's inability to pump blood to the brain leads to fainting. Credit: Pexels

Chest Pain or Discomfort

[{"selector":"#anim-17b31648-be5b-4af5-9b9d-b258b22e51b1 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-405d85b4-3bae-44b8-90ea-4bf4dfc628df","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6bc091e2-4290-4bc1-bc21-35da433475e8","keyframes":{"transform":["translate3d(0px, 204.63982%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3f88d883-a6c5-4180-a34e-c547ffb173cf","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ac67ae19-c56d-4f5b-89df-dd51a045b861","keyframes":{"transform":["translate3d(0px, 457.63847%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-126a2367-4f84-4928-b5da-845ee8ba536b","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ebb019d8-dee4-4e36-91e7-3e235983ce4e","keyframes":{"transform":["translate3d(0px, 427.77791%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6c4db690-647b-4cb9-8a59-8356a4d458b8","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-00264afd-0bbc-4308-91b6-eb8cb163a388","keyframes":{"transform":["translate3d(0px, -748.24954%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] This can range from mild discomfort to intense pain, and may radiate to the arm, shoulder, neck, or jaw. Credit: Pexels

Shortness of Breath

[{"selector":"#anim-713c7472-8d3f-46ae-898e-05aa0661858c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-0.6250008050947713%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-48b19727-a1fc-4330-a9fd-b93a4604c8c2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-44a65fc7-8944-4113-8ed9-4b98c47d00c1","keyframes":{"transform":["translate3d(0px, 292.97380%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a52b08a2-0008-45b2-8018-06fd4570f48e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b2e3cfde-24f9-43fd-a291-d56e74a4c167","keyframes":{"transform":["translate3d(0px, 588.88837%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3f116bcb-1724-47ad-b121-e8abfb311573","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-63e503f9-bd1d-4d07-ba52-898786e356cd","keyframes":{"transform":["translate3d(0px, 816.84609%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a819ca00-e21f-491d-b842-cced91427aab","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1c272e8a-fbfd-43ef-b272-27b75d4c8db2","keyframes":{"transform":["translate3d(0px, -748.24954%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Difficulty breathing or feeling like you can't catch your breath can be an early indicator. Credit: Pexels

Heart Palpitations

[{"selector":"#anim-612ba904-cf57-4bfd-ba68-42923cd7a2ec [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-0.6343561218598559%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-8fb1cfd8-a8d3-49cf-865d-a2baf642040d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dd86a293-28fc-47f0-bd08-e874ef7f7db2","keyframes":{"transform":["translate3d(0px, 387.43943%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-61cd354d-d63c-4a8a-929e-14e678e5d717","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2eb86a7b-dba5-4c4a-b485-74e340d9ae82","keyframes":{"transform":["translate3d(0px, 588.88837%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d58b869d-48b3-4e0d-b41e-c69c6c7732be","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d10a088f-d639-4d69-91c4-384296b085bb","keyframes":{"transform":["translate3d(0px, 768.45907%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d9e47988-a22f-42bc-a192-b654b357ad88","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-37b814f6-1e84-4697-9f30-03b63a423556","keyframes":{"transform":["translate3d(0px, -748.24954%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Feeling like your heart is racing, fluttering, or skipping beats. Credit: Pexels

Dizziness or Lightheadedness

[{"selector":"#anim-4c67f7fa-4f7e-47e8-8f98-9f58eaf3b8aa [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(6.287357610341296%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-2200184b-01b8-4cdf-8435-f4d1352348d2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-275dfb3c-8833-4f8f-b87d-0f8b24025203","keyframes":{"transform":["translate3d(0px, 387.43943%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-404028e1-67a9-4c42-a580-886b272c9198","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a9e48c0b-7d43-41fe-a3e8-31144ff77cb9","keyframes":{"transform":["translate3d(0px, 588.88837%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-20cf173c-26a5-455f-b12e-27431176596e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-103ecd26-f38c-4c85-a56e-b33a1008bfa3","keyframes":{"transform":["translate3d(0px, 418.10043%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3820234a-7e0b-4810-b4e3-f495cb73ded9","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7fecc894-5004-4bd7-918c-e76fe707a9bf","keyframes":{"transform":["translate3d(0px, -748.24954%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Feeling faint or unsteady can be a warning sign. Credit: Pexels

Unexplained Fatigue

[{"selector":"#anim-47ebca61-94a2-4813-879f-2a46374cabff [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(7.440349616653624%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-109de93f-2e4f-4683-8d73-cc9adb49ee3a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0ca5e390-9986-49c5-b101-359da5466a4f","keyframes":{"transform":["translate3d(0px, 291.50314%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5c4ab3b4-acc2-4b72-a52b-adf78add6457","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-92a5d9b1-8766-42f8-8b4a-a2f20945b69c","keyframes":{"transform":["translate3d(0px, 588.88837%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-507bc416-b901-4db1-972a-61342613dbee","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b28971b3-f460-4553-b65f-ac159eb688b7","keyframes":{"transform":["translate3d(0px, 797.49132%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-79d88de1-3875-42a2-a41d-b787d5df2d7c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-509c0fbd-acd1-4f99-bb54-82cca5224a8c","keyframes":{"transform":["translate3d(0px, -748.24954%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Extreme tiredness or weakness, especially if it's unusual for you, can be a warning sign. Credit: Pexels

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