Ep 162: REVISITED: Sorting out shoulder pain diagnoses, with Dr Angela Cadogan
Jan 15, 2024
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Dr Angela Cadogan, specialist physiotherapist and clinical consultant, shares her approach to diagnosing subacromial pain. She discusses the challenges in diagnosing shoulder pain, the use of imaging, and the value of clinical tests. The decision-making process for surgery vs. rehabilitation for traumatic tears is also explored.
Diagnosing subacromial pain requires a stepwise approach, excluding red flag indicators and considering potential pathoanatomic conditions before employing a symptom or impairment-based treatment approach.
Taking a thorough history and conducting physical examinations are crucial in diagnosing subacromial pain, including assessing for signs of traumatic rotator cuff-related conditions and using imaging judiciously to confirm diagnoses.
Deep dives
Diagnosing Subacromial Pain: A Stepwise Approach
Diagnosing subacromial pain can be challenging due to the lack of accurate clinical tests for specific pathologies. Dr. Angela Cardogan suggests a stepwise approach to reach a differential diagnosis. First, red flag indicators and referred sources of pain are excluded. Then, potential pathoanatomic conditions requiring different management are considered. After excluding these conditions, a symptom or impairment-based approach is used for treatment. Signs of abnormal pain presentations or other pain classifications are also taken into account. Diagnosis is seen as a process, not just a pathoanatomic label, helping identify the cause of symptoms and determine appropriate management.
History and Physical Examination in Diagnosing Subacromial Pain
Dr. Cardogan emphasizes the importance of taking a thorough history and conducting physical examinations in diagnosing subacromial pain. A history of trauma can indicate more traumatic rotator cuff-related conditions. Physical examination tests such as passive range of motion with loss of external rotation and resisted muscle tests help assess rotator cuff integrity and the presence of significant tears. Other indicators like severe, insidious onset pain and significant weakness may require imaging for confirmation, potential orthopedic review, and different management approaches. Dr. Cardogan stresses the need to use imaging when it will impact patient treatment and urges caution in interpreting imaging results and correlating them with clinical findings.
Clinical Tests and Referral Criteria for Subacromial Pain
Clinical tests, including special tests and orthopedic tests, are not sufficient to diagnose subacromial pain on their own. Dr. Cardogan categorizes them as second or third-tier tests, highlighting that they should not outweigh range of motion and resisted tests. Special tests like lag signs can indicate a significant rotator cuff tear, but the absence of pain can be more informative than a positive test. Stiff shoulder conditions and AC joint pain are diagnosed through a process of exclusion and range of motion tests. Referring for imaging is necessary when trauma, severe pain, significant weakness, or lack of improvement are present. Early referral for large, multi-tendon tears or complete subscapularis tears is essential for potential surgical repair.
Someone walks into your clinic with a sore shoulder. Are you dealing with a stiff shoulder? A rotator cuff problem? The acromioclavicular joint? Or something else entirely?
Today, Dr Angela Cadogan (PT, PhD) - Specialist Physiotherapist and clinical consultant - is helping you hone your clinical reasoning in differential diagnosis of subacromial pain.
Dr Cadogan shares her practical approach to diagnosing subacromial pain in a way that you can take straight to the clinic tomorrow.
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