```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns4:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/">
    <query_name>Obstruc-Cardiac@16:11:59</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>4</hlevel>
            <item_name>Obstructive hypertrophic cardiomyopathy</item_name>
            <item_key>\\ICD10_ICD9\Diagnoses\(I00-I99) Dise~3w8h\(I30-I52) Othe~w6tz\(I42) Cardiomyopathy\(I42.1) Obstru~l468\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Diagnoses \ Diseases of the circulatory system (i00-i99) \ Other forms of heart disease (i30-i52) \ Cardiomyopathy \ Obstructive hypertrophic cardiomyopathy</tooltip>
            <class>ENC</class>
            <item_is_synonym>true</item_is_synonym>
        </item>
        <item>
            <hlevel>4</hlevel>
            <item_name>Other hypertrophic cardiomyopathy</item_name>
            <item_key>\\ICD10_ICD9\Diagnoses\(I00-I99) Dise~3w8h\(I30-I52) Othe~w6tz\(I42) Cardiomyopathy\(I42.2) Other~tp3z\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Diagnoses \ Diseases of the circulatory system (i00-i99) \ Other forms of heart disease (i30-i52) \ Cardiomyopathy \ Other hypertrophic cardiomyopathy</tooltip>
            <class>ENC</class>
            <item_is_synonym>true</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>6</hlevel>
            <item_name>Cardiac electrophysiologic stimulation and recording studies</item_name>
            <item_key>\\i2b2_PROC\i2b2\Procedures\PRC\ICD9 (Inpatient)\(35-39) Operations on cardiovascular system\(p37) Other operations on heart a~\(p37-2) Diagnostic procedures on ~\(p37-26) Cardiac electrophysiolog~\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Procedures \ ... \ Other operations on heart and pericardium \ Diagnostic procedures on heart and pericardium \ Cardiac electrophysiologic stimulation and recording studies</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find patients with a diagnosis of obstructive or other hypertrophic cardiomyopathy who have undergone cardiac electrophysiologic stimulation and recording studies.