```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns3:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/">
    <query_name>Ische-Abnor-Diure@10:42:28</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <panel>
        <panel_number>1</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>3</hlevel>
            <item_name>Ischemic heart disease</item_name>
            <item_key>\\i2b2_DIAG\i2b2\Diagnoses\Circulatory system (390-459)\Ischemic heart disease (410-414)\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Diagnoses \ Circulatory system \ Ischemic heart disease</tooltip>
            <class>ENC</class>
            <constrain_by_date>
                <date_from>1979-12-01T00:00:00.000-05:00</date_from>
            </constrain_by_date>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
    <panel>
        <panel_number>2</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>4</hlevel>
            <item_name>Abnormal echocardiogram nos</item_name>
            <item_key>\\ICD10_ICD9\Diagnoses\(R00-R99) Symp~mt2x\(R90-R94) Abno~rtdf\(R93) Abnormal~7bac\(R93.1) Abnorm~1is6\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Diagnoses \ Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (r00-r99) \ Abnormal findings on diagnostic imaging and in function studies, without diagnosis (r90-r94)
 \ Abnormal findings on diagnostic imaging of other body structures \ Abnormal echocardiogram nos</tooltip>
            <class>ENC</class>
            <item_is_synonym>true</item_is_synonym>
        </item>
    </panel>
    <panel>
        <panel_number>3</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>3</hlevel>
            <item_name>Diuretics</item_name>
            <item_key>\\i2b2_MEDS\i2b2\Medications\MUL\(LME68) cardiovascular agents\(LME81) diuretics\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>medications \ cardiovascular agents \ diuretics</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns3:query_definition>

```

I want to find patients with a diagnosis of ischemic heart disease who have had an abnormal echocardiogram and were prescribed diuretics at any time.