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  2. Cardiac arrest - Wikipedia

    en.wikipedia.org/wiki/Cardiac_arrest

    This hemodynamic collapse results in poor blood flow to the brain and other organs, which if prolonged causes persistent damage. There are many different types of arrhythmias, but the ones most frequently recorded in sudden cardiac arrest are ventricular tachycardia and ventricular fibrillation .

  3. Sudden arrhythmic death syndrome - Wikipedia

    en.wikipedia.org/wiki/Sudden_arrhythmic_death...

    Sudden arrhythmic death syndrome (SADS) is a sudden unexpected death of adolescents and adults caused by a cardiac arrest. However, the exact cause of the cardiac arrest, and thus the exact cause of death, is unknown. These deaths occur mainly during sleep or at rest. [7] One type of conduction defect known as Brugada syndrome can be ...

  4. Acute decompensated heart failure - Wikipedia

    en.wikipedia.org/wiki/Acute_decompensated_heart...

    The treatment of heart disease is rapidly changing and thus new therapies for acute heart failure treatment are being introduced to save more lives from these massive attacks. [24] Bypass surgery is performed by removing a vein from the arm or leg, or an artery from the chest and replacing the blocked artery in the heart. This allows the blood ...

  5. Sleep apnea - Wikipedia

    en.wikipedia.org/wiki/Sleep_apnea

    In adults with coronary artery disease, a severe drop in blood oxygen level can cause angina, arrhythmias, or heart attacks (myocardial infarction). Longstanding recurrent episodes of apnea, over months and years, may cause an increase in carbon dioxide levels that can change the pH of the blood enough to cause a respiratory acidosis .

  6. Frailty syndrome - Wikipedia

    en.wikipedia.org/wiki/Frailty_syndrome

    Frailty or frailty syndrome refers to a state of health in which older adults gradually lose their bodies' in-built reserves and functioning. This makes them more vulnerable, less able to recover and even apparently minor events (infections, environmental changes) can have drastic impacts on their physical and mental health.

  7. Atelectasis - Wikipedia

    en.wikipedia.org/wiki/Atelectasis

    Atelectasis is the partial collapse or closure of a lung resulting in reduced or absence in gas exchange. It is usually unilateral, affecting part or all of one lung. [2] It is a condition where the alveoli are deflated down to little or no volume, as distinct from pulmonary consolidation, in which they are filled with liquid.

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