What is the frequency range for TTE probes?

The frequency range for transthoracic echocardiography (TTE) probes typically lies between 2 to 7 MHz. This frequency range is vital for achieving a balance between resolution and penetration when imaging the heart. Higher frequencies provide better resolution for visualizing structures such as valves and myocardial walls, while lower frequencies allow for deeper penetration required in patients with greater adipose tissue or lung interference.

In practice, the 2-7 MHz range effectively accommodates various patient populations, as it provides sufficient image quality for diagnostic purposes. Frequencies below this range may not provide the necessary detail for adequate cardiac assessment, while frequencies above 7 MHz might not penetrate adequately in certain patients, limiting the effectiveness of the echocardiographic evaluation. Thus, the selected answer is accurate and reflects the standard practices in echocardiography.