Page 460 - Feline Cardiology

Index 485

Inheritance, cardiac disease and modes of, Isovolumic relaxation time LAF. See Left anterior fascicle
425 delayed relaxation and prolongation of, Lameness, arterial thromboembolism
Innocent murmurs, 86, 105 138 secondary to HCM and, 118,
Inotropes, anesthetic management and, HCM and, 113 119
415 Isuprel (isoproterenol), indications, Lanoxin (digoxin), 452
Inotropy, 218 dosage, available sizes, 451 Larval stages, heartworm transmission
INR. See International normalized ratio Ivermectin and, 353–354
Inspiration, full, radiograph taken during, heartworm disease and, 360, 361, 362 Lasix (furosemide), 452
38 reach-back effect on Dirofilaria immitis indications, dosage, available sizes,
Insulin, hyperkalemia addressed with, 312 and, 362t 450
Insulin growth factor-1, HCM and, 151 IVR. See Isovolumic relaxation L-asparaginase, cardiac neoplasia and,
Intensity, heart murmurs and, 7 IVR time (IVRT). See isovolumic 203
Intermediate cardiomyopathy, 109. See relaxation time. Lateral radiographs, cat correctly
also Restrictive cardiomyopathy restrained for, 38
Internal event monitors, J “Lazy” heart conformation, 39
electrocardiography and, 81 J wave, 250–251 Leading edge to leading edge
International normalized ratio, warfarin measurement technique,
and monitoring with, 317 K echocardiography and, 57
International Renal Interest Society, 369 Kabikinase (streptokinase), 452 Left and right ventricular interaction,
Interstitial fibrosis of left ventricular indications, dosage, available sizes, 461 diastolic function and, 114
myocardium, in Maine coon cat Ketamine, 417, 463 Left anterior fascicle, 242
with severe HCM, 113 anesthesia, for cardiac patient, 414t Left anterior fascicular (LAF) block,
Interventricular septal measurements, anesthetizing fractious cat with, 418 242–243
echocardiographic, 57 balanced anesthesia and, 416 in domestic short-haired cat with mild
Intervertebral disc extrusion, arterial cats with HCM and, 165 symmetrical left ventricular
thromboembolism and, 308 CHF in cats and, 118, 269 concentric hypertrophy, 242
Intra-atrial reentrant tachycardia, 222 indications, dosage, available sizes, 452 Left atrial appendage (LAA) flow velocity,
Intracranial lesion, systemic hypertension low-dose, echocardiography and use of, myocardial disease and, 65
and, 331 55 Left atrial diameter to aortic diameter
Intramural coronary arteries references for, 465, 466, 467 (LA : Ao)
abnormal, 114 Ketaset (ketamine), indications, dosage, measuring, 132
in people with HCM, 111 available sizes, 452 normal M-mode-derived, 133
Intravascular volume optimization, in cats Kidney disease, 367 Left atrial dilation, 155
with decreased preload/volume advanced, vs. acute-on-chronic process, identification of, in cat with HCM,
overload, 413 372 133
Intravenous catheters, pulmonary azotemia with isosthenuria and, 336 identifying, CHF and, 279
thromboembolism and, 384t heart disease concurrent with, normal, mild, moderate, and severe,
Irbesartan, HCM and, 158 368–373 two-dimensional
IRIS. See International Renal Interest chronic management strategies, echocardiography of cats with
Society 371–373 HCM showing, 132
Irregularly irregular heartbeat chronic vs. acute decompensation, thoracic radiographs for cats with,
atrial fibrillation and, 225 370–371 166
premature ventricular complexes and, predominant disorder, 369–370 Left atrial enlargement
230 heart failure and, 296 drugs for, 434
Isoflurane systemic hypertension and, 331–334 extreme, atrial standstill in cat with,
anesthesia, for cardiac patient, 414t Kidneys 243
maintenance of anesthesia and, 416, 417 congestive heart failure in cats and, heart disease in cats and, 46
Isoproterenol 267–268 restrictive cardiomyopathy and, 180
anesthesia, arrhythmia treatment and, systemic hypertensive decompensation severe, lateral thoracic view from cat
419 and, 331 with, 47
indications, dosage, available sizes, 451 “valentine-shaped heart” and, 48
references for, 467 L Left atrial pressure, increasing, transmitral
Isoptan (verapamil), 463 Labetalol, hypertensive crisis and, 338 Doppler echocardiography
indications, dosage, available sizes, 451 Lactated Ringer’s solution changes and mitral annulus
Isosthenuria, occult/“early” chronic fluid overload/congestive heart failure tissue Doppler changes with, 63
kidney disease in cats with, IRIS triggered by, 118, 268, 269, 370 Left atrial size
classification, 369–370 indications, dosage, available sizes, 452 echocardiographic assessment of, 133t
Isovolumic relaxation, 112 references for, 465 in cats with HCM, 131–133
early diastolic filling in HCM and, treatment with, in cats with underlying echocardiography and, 57
114–115 heart disease, 378 HCM, diastolic function and, 138