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Clinical Presentation and Management                                      169
                                               of Acute Heart Failure



                 elevated jugular venous distention, hepatojugular re-  severe  peripheral  hypoperfusion  with subsequent
                 flux, hepatomegaly,  ascites, and peripheral  edema;   end-organs  damage; typically  it is  associated with
                 pleural  effusions  are  often seen  in patients with a   low blood pressure (systolic BP < 90 mmHg) and low
                 previous history of chronic HF).                   urine output (< 0.5 mL/kg/min).
                 The sensitivity and specificity of symptoms and signs   Acute  Coronary  Syndrome Complicated by  Heart
                 to predict both clinical scenarios, i.e., elevated filling   Failure: Up  to 15% to 20%  of patients admitted  with
                 pressures or low cardiac output is often unsatisfac-  ACS have signs and symptoms of heart failure and
                 tory, which leaves a relatively large margin of uncer-  an additional 10%  develop  HF  during hospital stay;
                 tainty to confirm the final diagnosis  of AHF  as  well   the incidence is  even  higher  in reports  focusing on
                 as  need  for  additional investigations  , which  may   patients with a diagnosis  of AHF,  where  up to 40%
                 objectively also add to costs incurred.            may have ACS as a precipitating factor ; interesting-
                                                                    ly, ACS complicated by AHF is now often viewed as
                 Clinical Classifications: What the guidelines      a separate clinical entity,  characterized by complex
                 say about patient presentation                     structural,  hemodynamic  and  neurohormonal  inter-
                                                                    actions,  the  need for urgent  referral  for coronary
                 According to the ESC guidelines,a patient with AHF   intervention,confusing  troponin positivity  and  poor
                 may present  with one  of  the  following  clinical cate-  outcome.
                 gories:
                                                                    The  updated AHA/ACC  guidelines  tend to indicate
                 Decompensated  Chronic Heart Failure:  When a pa-  a lack of widely accepted nomenclature for HF syn-
                 tient with chronic HF  develops  progressive  deterio-  dromes requiring hospitalization and instead of ‘‘the
                 ration and worsening in signs and symptoms; periph-  AHF patient’’ propose ‘‘the hospitalized HF patient’’
                 eral edema and/or pulmonary congestion are charac-  with the following subgroup classification: a) patients
                 teristic for this clinical  category;  these patients may   with acute coronary ischemia; b) patients with accel-
                 appear with low blood pressure which is often associ-  erated  hypertension  with acutely decompensated
                 ated with impaired LVEF and predicts poor prognosis.
                                                                    HF; c)  patients with  shock; d)  patients with  acutely
                 Pulmonary Edema:    For  many physicians,  pulmo-  worsening right HF; and e) patients with decompen-
                 nary edema is the real clinical presentation of AHF;   sation after surgical procedures.
                 typically,  signs  and symptoms  develop  rapidly  and
                 patients demonstrate severe respiratory distress with  Clinical Profiling: Key for Therapeutic
                 tachypnea, orthopnea, and pulmonary congestion.    Decisions in Acute Heart Failure
                 Hypertensive Heart Failure:   Hypertensive  heart fail-    - AHF comprises a wide spectrum of clinical condi-
                 ure  is  associated with elevated blood  pressure  with   tions ranging  from gradual worsening  of chronic
                 accompanying dyspnea and signs of pulmonary con-     conditions  (ie, peripheral  edema and dyspnea) to
                 gestion, often in patients with relatively  preserved   pulmonary  edema or  cardiogenic shock. For  clin-
                 LVEF.                                                ical purposes, characterizing the patient’s clinical
                                                                      profile at each phase of AHF management consti-
                 Isolated Right Heart Failure: Isolated right heart fail-
                 ure  is  characterized by  low  output syndrome  in  the   tutes a key element for therapeutic decision-mak-
                 absence of pulmonary congestion, with low left ven-  ing. In this context,  the  following clinical  profiles
                 tricle filling pressures; importantly, a clear differenti-  may be present:
                 ation  is  needed here  between patients with  chronic     - Respiratory failure with inadequate ventilation and
                 HF  who gradually  develop  signs  and symptoms  of   peripheral  oxygenation;  in such  cases, oxygen
                 right HF (elevated jugular venous pressure, peripher-  should be administered; in more  severe  cases,
                 al edema, hepatomegaly, gut congestion),  which  at   there may be a need for endotracheal  intubation
                 some stage dominate the clinical picture vs patients   and invasive ventilation.
                 with  new-onset isolated right heart failure, often     - Presence  of  life-threatening  tachy- or  bradyar-
                 secondary to either acute coronary syndrome (ACS)    rhythmias with a need for urgent electrical cardio-
                 or  pulmonary embolism; although  the former  does   version or temporary pacing.
                 not fulfil the diagnostic criteria often with some pul-
                 monary congestion and elevated LV filling  pressure     - Peripheral hypoperfusion (typically with low systol-
                 many physicians tend to put such patients into this   ic blood pressure, sometimes with a clinical picture
                 category.                                            of cardiogenic shock);  often there is  a need for
                                                                      inotropic agents, vasopressors or, in most severe
                 Cardiogenic Shock: Cardiogenic shock characterizes


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