Additional Factors Leading to Orthopnea
While orthopnea is frequently linked to left-sided heart failure, there are several other medical conditions that can also induce this symptom. These conditions include asthma, chronic bronchitis, sleep apnea, anxiety, and panic disorders. Unlike orthopnea caused by fluid accumulation in the lungs, these conditions may present with slight variations in symptoms.
Diagnosis of Orthopnea
Understanding the underlying cause of orthopnea is crucial when seeking medical attention for this condition. Doctors typically employ a range of diagnostic tools to identify the root issue. These may include conducting a chest x-ray or CT scan to gain a visual representation of the heart, performing an electrocardiogram to assess heart function, administering pulmonary function tests to evaluate lung health, and conducting various lab tests to analyze blood oxygen levels and other important indicators.