Heart Failure Types — main categories?
Systolic (HFrEF) and diastolic (HFpEF) types.
ECG Waveform Components — key parts?
P wave, QRS complex, T wave.
ECG Abnormalities in HF — common findings?
Arrhythmias, bundle branch blocks, ischemic changes.
Heart Failure — definition?
Inadequate blood pumping, causes symptoms like dyspnea, edema.
Systolic HF — EF?
Less than 40% ejection fraction.
Diastolic HF — EF?
More than 50% ejection fraction.
HFrEF — characteristic?
Reduced EF, impaired ventricular contraction.
HFpEF — cause?
Impaired ventricular relaxation and filling.
Left-sided Heart Failure — symptoms?
Pulmonary congestion, respiratory symptoms.
Right-sided Heart Failure — symptoms?
Systemic congestion, peripheral edema.
Answer 9 questions on Understanding Heart Failure Types and Pathophysiology.
1. What does systolic heart failure primarily refer to?
2. According to the classification criteria mentioned in the content, what ejection fraction percentage defines systolic heart failure (HFrEF)?
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