Answer: EKG
EKG is a crossword puzzle answer that we have spotted 84 times.
    - Hosp. test
 
    - Ticker tale?
 
    - Hosp. readout
 
    - Heart lines: Abbr.
 
    - Part of a hosp. record
 
    - Pre-op test
 
    - Heart chart: Abbr.
 
    - Med. readout
 
    - Ticker tape letters?
 
    - Cardiac readout, briefly
 
    - Spiky readout: Abbr.
 
    - Heart chart, for short
 
    - Heart test readout: Abbr.
 
    - Recording of heart activity, for short
 
    - Printout of heartbeats
 
    - Heart record (abbr.)
 
    - Heart chart (abbr.)
 
    - Stress test pic
 
    - Where docs might find a change of heart?
 
    - Record of what went on in chambers?
 
    - Cardiologist's test: Abbr.
 
    - Ticker test, for short
 
    - Ticker tape, briefly?
 
    - Test done on long rolls of graph paper, briefly
 
    - Heart rendering
 
    - Heart chart
 
    - Heart-test letters
 
    - Heartfelt reading?
 
    - Heart test, for short
 
    - Heart readout, for short
 
    - Pre-bypass test, briefly
 
    - Cardiologist's instrument (Abbr.)
 
    - Ticker tape?
 
    - It goes with the beat
 
    - Change-of-heart indicator?
 
    - Heartthrob's picture?
 
    - It shows a change of heart, briefly
 
    - Sheet with beats, for short
 
    - Meas. of heart rhythm
 
    - Beat tracker (abbr.)
 
    - It displays an array of spikes: Abbr.
 
    - Heart test letters
 
    - Lines from the heart
 
    - Ticker test: Abbr.
 
    - Beat tracker
 
    - Short heart test
 
    - Stress-test reading
 
    - Test with limb leads
 
    - Lines from the heart (abbr.)
 
    - Record with many beats: Abbr.
 
    - Stress test readout: Abbr.
 
    - Heart chart, briefly
 
    - Life line?
 
    - Heart reading, briefly
 
    - Ticker test (abbr.)
 
    - Certain med. test
 
    - Hosp. record
 
    - Stress test letters
 
    - Evaluation for those sick at heart?
 
    - Common noninvasive med. test
 
    - Heart recording, briefly
 
    - Heart diagnostic, in brief
 
    - Hosp. heart test
 
    - Medical printout
 
    - Heart test (Abbr.)
 
    - Heart doc's test
 
    - Heart scan, abbr.
 
    - ER readout
 
    - Med. test
 
    - Letters from the heart?
 
    - Test done in pre-op
 
    - Med. ticker tape
 
    - Stress test display
 
    - Heart doc's readout
 
    - Rhythm readout
 
    - Ticker test, briefly
 
    - ER graph
 
    - Heart test, briefly
 
    - Heart diagnostic, briefly
 
    - Heart test: Abbr.
 
    - Heart test readout, for short
 
    - ICU readout
 
    - Hosp. heart readout
 
    - Hospital heart test (Abbr.)