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  2. Reflex bradycardia - Wikipedia

    en.wikipedia.org/wiki/Reflex_bradycardia

    Reflex bradycardia is a bradycardia (decrease in heart rate) in response to the baroreceptor reflex, one of the body's homeostatic mechanisms for preventing abnormal increases in blood pressure. In the presence of high mean arterial pressure , the baroreceptor reflex produces a reflex bradycardia as a method of decreasing blood pressure by ...

  3. Acute decompensated heart failure - Wikipedia

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

    Acute decompensated heart failure (ADHF) is a sudden worsening of the signs and symptoms of heart failure, which typically includes difficulty breathing , leg or feet swelling, and fatigue. [1] ADHF is a common and potentially serious cause of acute respiratory distress. The condition is caused by severe congestion of multiple organs by fluid ...

  4. Jugular venous pressure - Wikipedia

    en.wikipedia.org/wiki/Jugular_venous_pressure

    Causes Raised JVP, normal waveform: Bradycardia; Fluid overload; Heart failure; Raised JVP, absent pulsation: Superior vena cava syndrome; Large 'a' wave (increased atrial contraction pressure) Tricuspid stenosis; Right heart failure; Pulmonary hypertension; Cannon 'a' wave (atria contracting against closed tricuspid valve) Atrial flutter

  5. Hypertensive heart disease - Wikipedia

    en.wikipedia.org/wiki/Hypertensive_heart_disease

    In addition, hypertension precedes heart failure in 90% of cases, [7] and the majority of heart failure in the elderly may be attributable to hypertension. [17] Hypertensive heart disease was estimated to be responsible for 1.0 million deaths worldwide in 2004 (or approximately 1.7% of all deaths globally), and was ranked 13th in the leading ...

  6. Bradycardia - Wikipedia

    en.wikipedia.org/wiki/Bradycardia

    For infants, bradycardia is defined as a heart rate less than 100 BPM (normal is around 120–160 BPM). Premature babies are more likely than full-term babies to have apnea and bradycardia spells; their cause is not clearly understood. The spells may be related to centers inside the brain that regulate breathing which may not be fully developed.

  7. Left axis deviation - Wikipedia

    en.wikipedia.org/wiki/Left_axis_deviation

    The hexaxial reference system is a diagram that is used to determine the heart's electrical axis in the frontal plane. In electrocardiography , left axis deviation (LAD) is a condition wherein the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°.

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